Juvenile Series and Sequels

U-Ventures (3) J
Uglies (4) YA
Ugly Cat & Pablo (2) JE
Uh-Oh, Cleo (3) JE
Ultimate Fantastic Four (11) YA
Ultimate Galactus (3) YA
Ultimate Spider-Man (22) YA
Ultimate X-Men (19) YA
Ultimates 2 (2) YA
Ultimates, The (2) YA
Ultra Violets (3) J
Ultraball (2) J
Ulysses Moore (5) J
Umbrella Academy (2) YA
Unbeatable Squirrel Girl (2) J
Unbeatable Squirrel Girl Graphic Novels) (12) YA
Unbelievable FIB (Fantasy Investigation Bureau) (2) J
Unbelievable Oliver (2) JE
Unblemished Trilogy (3) YA
Uncaged (5) YA
Uncanny Avengers (5) YA
Uncommoners, The (3) J
Undead Ed (3) J
Undead Pets (8) J
Under a War-Torn Sky (3) J
Under the Never Sky Trilogy (3) YA
Under Their Skin (2) J
Underbelly (2) J
Undercover Angels (2) J
Undercover Girl (4) YA
Underland Chronicles (Collins, Suzanne) (5) J
Underland Chronicles (Hahn, Chanda) (2) YA
Undersea Mystery Club (3) JE
Undertaken Trilogy (3) YA
Undertakers, The (5) YA
Undertow Trilogy (3) J
Underwhere (5) J
Underworld Chronicles (3) J
Underworlds (4) J
Unearthed (2) YA
Unearthly Trilogy (3) YA
Unexpected Life of Oliver Cromwell Pitts (2) J
Unfortunate Fairy Tale (5) YA
Ungifted (2) J
Unicorn Academy (13) JE
Unicorn and Yeti (5) JE
Unicorn Chronicles (4) J
Unicorn Club (22) YA
Unicorn Diaries (5) JE
Unicorn in New York (4) J
Unicorn Magic (Burkhart, Jessica) (4) J
Unicorn Magic (Meadows, Daisy) (8) JE
Unicorn Magic - Special Editions (Meadows, Daisy) (2) JE
Unicorn Named Sparkle (4) JE
Unicorn Princesses (8) J
Unicorn Quest (3) J
Unicorn Rescue Society (5) J

Unicorn Riders (4) J
Unicorn Trilogy (3) YA
Unicorn's Secret (8) J
UNICORNE Files (3) J
Unicorns of Balinor (8) J
Unicorns of the Mist (2) J
Unicorns of the Secret Stable (4) JE
Unintentional Adventures of the Bland Sisters (3) J
United States of Asgard (3) YA
Unknown Assassin (3) YA
Unlikely Exploits Trilogy (3) J
Unlimited Squirrels (3) JE
Unmapped Chronicles (2) J
Unmistakably Cooper Ellis (4) YA
Unnaturalists, The (2) YA
Unnaturals (2) J
Unofficial Gamer's Adventure (6) J
Unofficial Graphic Novel for Fortniters (3) J
Unofficial Graphic Novel for Minecrafters (6) J
Unofficial League of Griefers Adventure (6) J
Unofficial Minecraft Mysteries (6) J
Unofficial Minecrafters Academy (6) J
Unofficial Minecrafters Time Travel Adventure (6) J
Unofficial Minetrapped Adventure (5) J
Unofficial Overworld Adventure (6) J
Unplugged (3) YA
Unraveling (3) YA
Unremembered Trilogy (3) YA
Unseen World of Poppy Malone (3) J
Unseen, The (4) YA
Unsinkable Walker Bean (2) J
Untamed City (2) YA
Unusual Chickens for the Exceptional Poultry Farmer (2) J
Unwanteds Quests (7) J
Unwanteds, The (7) J
Unwind Dystology (5) YA
Upchuck and the Rotten Willy (3) J
Upper Class (3) YA
Upside-Down Magic (7) J
Urban Outlaws (5) J
Urban Underground (40) YA
Urgency Emergency! (8) JE
Usagi Yojimbo (33) YA
Usborne Advanced Puzzle Adventures (3) J
Usborne Bible Tales (11) JE
Usborne Fantasy Adventure (4) J
Usborne Puzzle Adventures (23) J
Usborne Puzzle Journeys (4) J
Usborne Reading for Beginners (10) JE
Usborne Science Puzzle Adventures (2) J
Usborne Solve It Yourself (9) J
Usborne Spinechillers (8) J
Usborne Superpuzzles (3) J
Usborne Whodunnits (3) J
Usborne Young Puzzle Adventures (10) JE
Usborne Young Puzzle Books (18) JE