Query: chapter books for 9 year old boys

title: Trapped in a Video Game (Volume 1)

title: Legend of the Star Runner: A Timmi Tobbson Adventure Book for Boys and Girls (Solve-Them-Yourself Mysteries for Kids 8-12)

title: The Proto Project: A Sci-Fi Adventure of the Mind for Kids Ages 9-12

title: Percy Jackson and the Olympians 5 Book Paperback Boxed Set (w/poster) (Percy Jackson & the Olympians)

title: The Hardy Boys Secret Files Collection Books 1-5 (Boxed Set): Trouble at the Arcade; The Missing Mitt; Mystery Map; Hopping Mad; A Monster of a Mystery (Hardy Boys: The Secret Files)

title: Trapped in a Video Game: The Complete Series

title: My Big Fat Zombie Goldfish Boxed Set: (My Big Fat Zombie Goldfish; The Seaquel; Fins of Fury)

title: Pax

title: The Last Kids on Earth: The Monster Box (books 1-3)

title: Hardy Boys Starter Set - Books 1-5 (The Hardy Boys)

title: The Indian in the Cupboard

title: Magic Tree House Boxed Set, Books 5-8: Night of the Ninjas, Afternoon on the Amazon, Sunset of the Sabertooth, and Midnight on the Moon

title: Magic Tree House Boxed Set, Books 1-4: Dinosaurs Before Dark, The Knight at Dawn, Mummies in the Morning, and Pirates Past Noon

title: Tales of a Fourth Grade Nothing

title: The Secret Lake: A children's mystery adventure (Secret Lake Mystery Adventures)