DinoSaga (The Adventures of Danny Hoopenbiller): A collection of 3 chapter books previously published by David T. Lee at age 9, 10 and 12 (55,000 words).

, the titular character, is an ingenious young inventor. This book chronicles Danny's ridiculous inventions and heart-pounding adventures. His exploits take him through a diverse group of locations, from Earthly places like New York and Yucatan, Mexico to interstellar settings such as Foodland the Planet Seventh! Whether Danny's fighting for the future of the human race or aiming to get back home after a portal mishap, he always manages to throw in a bit of humor as well. Traveling through time, portals and wormholes, Danny teams up with a colorful cast of allies (e.g. POTUS, US Army, NASA, Albert Einstein's long lost daughter Lieserl, the Havocker brothers and his family) for adventures ranging from an exploration beyond the solar system to high-stakes battles against otherworldly adversaries such as Martians, dinosaurs and Dinozillas! The impossible has happened. Dinosaurs, vanished 65 million years ago, have come back to life. Nations have to unite to stop the rampaging monsters from wiping out mankind. Humans are losing the fight - until Danny Hoopenbiller comes.After dinosaurs destroyed his home, Danny is forced to protect his family and under desperate measures, leads the USA Army into what may be their most deadly mission. Danny is the balance that could either save or raze humankind. Will he survive? One year after the terrifying invasion of the dinosaurs, Danny settles down. He believes the dinosaurs are long gone. HE IS WRONG. As a result of his trip to the past, the dinosaurs have evolved into a frightening new species. MARTIANS. A prophecy from Thomas Edison deepens the mystery of the oppressors' threat to destroy humankind. The President of the United States (POTUS) unveils a new invention to battle the aliens. Unknowingly, Danny and Jack (his son) rescue Albert Einstein's long-lost child from a hidden alien prison. Both the POTUS and the Vice President are kidnapped during a White House invasion. Once again, Danny must save the day using his powerful new allies. Danny Hoopenbiller and the rest of humanity are in DOUBLE TROUBLE. Fighting the MARTIANS was bad enough. Now DINOZILLAS - a species of enormous, mutated dinosaurs - have erupted from the ground to wreak their vengeance against mankind. The Dinozillas seek dominance and will destroy everything - even the Martians - to achieve victory. President Mickey McPaularithy unleashes yet another weapon to fight the reptilian menace. The US Army and NASA collaborate to launch a full-scale space attack on the Martians' orbiting base. However, are these efforts enough to keep the humans alive? Will humanity come out on top, or will they succumb to the WRATH OF THE DINOSAURS?