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Explorer Academy: The Double Helix

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The mystery deepens and the action intensifies for 12-year-old Cruz Coronado and friends in the exciting third book in the Explorer Academy series. The adventure continues for Cruz, Emmett, Sailor, and Bryndis as they continue their studies at sea and travel to exotic locations around the world. A mysterious person alerts Cruz to impending danger while he and a few truste The mystery deepens and the action intensifies for 12-year-old Cruz Coronado and friends in the exciting third book in the Explorer Academy series. The adventure continues for Cruz, Emmett, Sailor, and Bryndis as they continue their studies at sea and travel to exotic locations around the world. A mysterious person alerts Cruz to impending danger while he and a few trusted pals explore ancient ruins in Petra, Jordan, and search for another piece of the puzzle his mother left behind. Worst of all, now his father has gone missing, which prompts Aunt Marisol, his number one protector, to leave the ship in search of him. Who is the new professor who takes her place? How does the new technology he introduces help or hurt Cruz's quest? Why is Nebula determined to stop Cruz before he turns 13? The clock is ticking as his first teen birthday draws near ... a milestone that will change his life forever, one way or another.


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The mystery deepens and the action intensifies for 12-year-old Cruz Coronado and friends in the exciting third book in the Explorer Academy series. The adventure continues for Cruz, Emmett, Sailor, and Bryndis as they continue their studies at sea and travel to exotic locations around the world. A mysterious person alerts Cruz to impending danger while he and a few truste The mystery deepens and the action intensifies for 12-year-old Cruz Coronado and friends in the exciting third book in the Explorer Academy series. The adventure continues for Cruz, Emmett, Sailor, and Bryndis as they continue their studies at sea and travel to exotic locations around the world. A mysterious person alerts Cruz to impending danger while he and a few trusted pals explore ancient ruins in Petra, Jordan, and search for another piece of the puzzle his mother left behind. Worst of all, now his father has gone missing, which prompts Aunt Marisol, his number one protector, to leave the ship in search of him. Who is the new professor who takes her place? How does the new technology he introduces help or hurt Cruz's quest? Why is Nebula determined to stop Cruz before he turns 13? The clock is ticking as his first teen birthday draws near ... a milestone that will change his life forever, one way or another.

30 review for Explorer Academy: The Double Helix

  1. 4 out of 5

    Kailey (BooksforMKs)

    Cruz and his friends on board the Orion are heading to the Mediterranean, searching for clues left behind by Cruz's mother before she died. The evil Nebula operatives are never far behind, spying on Cruz and threatening his family. In the middle of his secret quest for his mother's clues, Cruz still has to attend Explorer Academy classes, compete with his team in class competitions, and try to have a little fun at a student Halloween party. His thirteenth birthday is quickly approaching, and Cru Cruz and his friends on board the Orion are heading to the Mediterranean, searching for clues left behind by Cruz's mother before she died. The evil Nebula operatives are never far behind, spying on Cruz and threatening his family. In the middle of his secret quest for his mother's clues, Cruz still has to attend Explorer Academy classes, compete with his team in class competitions, and try to have a little fun at a student Halloween party. His thirteenth birthday is quickly approaching, and Cruz is in more danger than ever as he navigates the intricacies of the toughest adventure yet! I loved this plot! There is plenty of action and suspense. I never knew what was going to happen next! There are several plot-lines intersecting as Cruz juggles his school responsibilities, his personal relationships, dodging the nefarious Nebula, and keeping contact with Lani, his best friend back home in Hawaii. The exotic locations are amazing, and I loved learning the history about different cultures, monuments, artifacts, and landmarks in Spain, Egypt, Turkey, and Jordan. It's so interesting to see the true history and real facts about actual places interwoven with the story. The fictional technology is really cool, introducing fancy gadgets that can scan objects and give a readout of the objects' material, properties, age, and characteristics. Of course, Mell, the honeybee robot drone, is always by Cruz's side, ready to protect her master. I just love that cute little bee! I loved Cruz's character development in this book. He has been betrayed twice by people close to him, and he's wary and suspicious, unwilling to trust anyone with his secrets. He even pulls away from his best friends a little, but eventually he begins to realize that there ARE people he can trust, who care about him, and will do anything for him. He feels so alone at the beginning of the book, holding it all close inside himself, but by the end he begins to reach out again to his family, sharing with them and relying on them, instead of trying to do it all by himself. Just brilliant character development! I really enjoyed the writing style, which has both some serious situations and some humor to keep things light. The writing sparked my attention and kept me turning those pages way past my bedtime! I was impressed by how subtle the writing can be at times, using something simple but powerful to deliver an emotional punch at a critical point in the story. For instance, Cruz has been handling everything on his plate so well, keeping his cool and thinking analytically through every challenge, but when Cruz thinks the little dog, Hubbard, is sick, suddenly Cruz loses his handle on his emotions and begins to collapse. It shows in a simple and subtle way how much the pressure is really getting to Cruz even though he doesn't let it show. All of a sudden, this one little thing becomes the last straw, and he just can't handle the situation anymore. It effectively shows the heart of the character and the mindset that he's in, despite the brave front he shows to the other characters. Brilliant writing and extremely touching! The artwork is a cool mixture of illustrations overlaid on top of real photographs, and it adds a wonderful dimension and depth to the story. I loved seeing the characters brought to life in the artwork, as well as the beautiful locations they visit. It really makes a special addition to the story! This book ends on a cliffhanger, and I am dying for the next book!!!! Disclaimer: I received a copy of this book from the publisher in exchange for a free and honest review. All the opinions stated here are my own true thoughts and are not influenced by anyone.

  2. 4 out of 5

    Quang

    Cao trào ít hơn hẳn hai tập trước, cách xử lý cũng ko tốt bằng. Các công nghệ khám phá cũng không có được sự đặc sắc vốn là đặc trưng của bộ truyện này Tập này ko mang lại cho mình cảm giác hào hứng như hai tập trước nhưng cái kết chuyển giao tập sau khá hứa hẹn đấy. Điểm sáng duy nhất là cuộc đua ở mê cung. Khi Cruz phải teamwork chung với thằng nó ko ưa là Dugan. Khi gạt bỏ được cái ích kỷ bé nhỏ cá nhân đề hướng tới lợi ích chung của nhóm thì kết quả đạt được sẽ không chỉ dừng ở thành tích ca Cao trào ít hơn hẳn hai tập trước, cách xử lý cũng ko tốt bằng. Các công nghệ khám phá cũng không có được sự đặc sắc vốn là đặc trưng của bộ truyện này Tập này ko mang lại cho mình cảm giác hào hứng như hai tập trước nhưng cái kết chuyển giao tập sau khá hứa hẹn đấy. Điểm sáng duy nhất là cuộc đua ở mê cung. Khi Cruz phải teamwork chung với thằng nó ko ưa là Dugan. Khi gạt bỏ được cái ích kỷ bé nhỏ cá nhân đề hướng tới lợi ích chung của nhóm thì kết quả đạt được sẽ không chỉ dừng ở thành tích cao, mà quan trọng hơn là sự thấu hiểu và giảm đi những ác cảm không cần thiết.

  3. 5 out of 5

    Matthew

    Loved this book! Pictures were awesome! Recommend to anyone who likes thrilling adventures. Very, very tense!

  4. 4 out of 5

    Aeicha

    Cruz Coronado’s thirteenth birthday is fast approaching and he’s still on the hunt for the puzzle pieces his mother hid and left for him before she died. But the nefarious Nebula is also still after the puzzle pieces, and determined to destroy Cruz. Aunt Marisol has left the Orion (the Explorer Academy ship Cruz is studying on) to search for his missing father, and Cruz must stay behind and continue his search and his studies. And his search leads Cruz, Emmett, and Sailor to the ruins in Petra, Cruz Coronado’s thirteenth birthday is fast approaching and he’s still on the hunt for the puzzle pieces his mother hid and left for him before she died. But the nefarious Nebula is also still after the puzzle pieces, and determined to destroy Cruz. Aunt Marisol has left the Orion (the Explorer Academy ship Cruz is studying on) to search for his missing father, and Cruz must stay behind and continue his search and his studies. And his search leads Cruz, Emmett, and Sailor to the ruins in Petra, Jordan. What will they find there? Will it take Cruz closer to uncovering the mystery behind Nebula and his mother’s death? Will he make it to his thirteenth birthday? Trudi Trueit’s spectacular and cinematic middle-grade Explorer Academy series, continues with the thrilling and engaging third book, The Double Helix! Once again, Trueit offers young readers a thrillingly fast-paced, expertly researched, utterly engrossing story that is simply unputdownable! Like books one and two in this series, The Double Helix takes readers on a breathtaking journey to faraway places, introduces the coolest tech; gadgets; science; and concepts, and encourages readers to use their creativity, think critically, and explore the world around them. Mystery, action, clever puzzles, captivating educational moments, relatable characters, and the cinematic illustrations all collide, taking readers on an unforgettable thrill ride and reading experience. Cruz, Emmett, Sailor, Lani, and Bryndis continue to be a wonderfully diverse, capable, and likable group of young characters. Young readers will love getting to know these beloved characters even better in book three, while learning more interesting information about the baddies, as well as meeting some intriguing new characters. There is so much about this series that I love- the clever mystery, the exciting adventure, the smart STEM elements, the awesome young characters- and The Double Helix is another compelling addition to this phenomenal series!

  5. 5 out of 5

    Lisa Bittle

    A real cliff hanger...keeps reader interested.

  6. 4 out of 5

    Andréa

    Note: I received an ARC of this book from the publisher at ALA Annual 2019.

  7. 4 out of 5

    Xydel

    This has a lot of suspense and catches your interest right from the beginning. I absolutely love this series!!! Read this one in a day - it's that good!

  8. 4 out of 5

    Daniel

  9. 5 out of 5

    Nikki Valdez

  10. 5 out of 5

    Robin

  11. 4 out of 5

    Lisa Bosley

  12. 4 out of 5

    Chriss

  13. 5 out of 5

    Mariana

  14. 5 out of 5

    Eileen

  15. 4 out of 5

    Đăng

  16. 5 out of 5

    Judy Graham

  17. 5 out of 5

    Emily Pena

  18. 4 out of 5

    Jen

  19. 4 out of 5

    April

  20. 5 out of 5

    Astrid Van

  21. 5 out of 5

    Michael Wallis

  22. 5 out of 5

    Jenalyn

  23. 5 out of 5

    Jennifer Priester

  24. 4 out of 5

    Phuong Thao

  25. 5 out of 5

    Patrick McCarty

  26. 5 out of 5

    Eddie Flanagan

  27. 4 out of 5

    Rosemary

  28. 5 out of 5

    Carter

  29. 4 out of 5

    Đăng

  30. 5 out of 5

    Mary

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