⭐ TOP 100 in Children’s Time Travel Books (September 2020)! ⭐
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Danny and the Portal of the WorldA Smart, Funny Sci-Fi Adventure for Young Readers
What happens when a young inventor accidentally falls into his own invention?
Meet Danny Hoopenbiller, a brilliant and curious boy whose imagination leads him to build incredible gadgets. When one experiment goes wrong, Danny tumbles into a mysterious portal that transports him across the world - where he meets relatives he never knew and embarks on a thrilling adventure to find his way home.
Filled with creativity, humor, and excitement, Danny and the Portal of the World introduces young readers to a playful blend of science fiction, invention, and family discovery. With short chapters and clear language, this book is perfect for children who are beginning to read chapter books on their own or enjoy reading together as a family.
✨ Written and illustrated by David T. Lee at age 7, this book is a celebration of childhood imagination and storytelling.
✔️ Ideal for ages 6–8
✔️ Great for independent reading or read-aloud
✔️ Encourages curiosity, creativity, and problem-solving
This book is a standalone adventure written for elementary school readers and can be enjoyed independently.
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About The Adventures of Danny Hoopenbiller SeriesThe Adventures of Danny Hoopenbiller is a 5-book science fiction adventure series that follows an ingenious young inventor through time, space, portals, and wormholes.
Danny’s adventures take him from real-world locations like New York and Yucatán, Mexico, to imaginative worlds such as Foodland the Planet Seventh. Along the way, he teams up with a colorful cast of allies including his family, scientists, explorers, and soldiers, while facing unforgettable challenges involving Martians, dinosaurs, Dinozillas, and otherworldly threats.
Despite the big ideas and epic adventures, the series always keeps a sense of humor, heart, and age-appropriate storytelling.
Parents will appreciate that the series emphasizes:
Imagination and creative thinking
Teamwork, courage, and perseverance
STEM-inspired curiosity
Clean, family-friendly fun
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Reading GuideBooks 1 & 2 are standalone adventures written for elementary school readers and can be read independently.
Books 3–5 form the main story arc for advanced readers, where Danny leads a fight for humanity’s survival against intelligent dinosaur mutants.
Advanced readers may begin with Book 3: Danny and the Invasion of the Dinosaurs.
No matter where you start, every Danny Hoopenbiller adventure is packed with humor, imagination, and nonstop action.
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Series TitlesBook 1: Danny and the Portal of the World
Book 2: Danny and the Trip to Outer Space
Book 3: Danny and the Invasion of the Dinosaurs
Book 4: Danny and the Revenge of the Dinosaurs
Book 5: Danny and the Wrath of the Dinosaurs
Fourteen year-old David T. Lee wrote and illustrated his 1st chapter book at age 7. He completed his 5-book sci-fi series by age 12. His action-packed chapter books inspire kids to read and a few to write their own stories. In 2012, President Obama signed a thank you letter for David when the President received David's 1st book as a gift. At age 7, David published the first book of his Sci-Fi series "The Adventures of Danny Hoopenbiller" (4,500 words with his own illustrations). At age 11, he completed his 4th book (24 chapters, 20,000 words). Since 2011 (age 8), David has been sharing his writing career with hundreds of families and kids through presentations and book selling events organized by schools, public libraries and recently Staples headquarters in Framingham, MA. David also promotes his books and connects with his audience online using social media. Many families, educators and students subscribed to his blog (http: //booksrfun.infomages.com/), Facebook page, Twitter and Pinterest account. His books are cataloged by Library of Congress, public libraries and school media centers. All his books are available for sale on Amazon.com and Barnesandnoble.com. Chapter books written by David (The Adventures of Danny Hoopenbiller series): 2011 (at age 7) - Book 1: Danny and the Portal of the World (4,500 words) 2012 (at age 8) - Book 2: Danny and the Trip to Outer Space (6,500 words) 2013 (at age 9) - Book 3: Danny and the Invasion of the Dinosaurs (17,000 words) 2014 (at age 10) - Book 4: Danny and the Revenge of the Dinosaurs (20,000 words) 2016 (at age 12) - Book 5: Danny and the Wrath of the Dinosaurs (18,000 words)