You searched for books with "U" in the title. Here’s what I dug up.

Title Subtitle Call number Author Illustrator Series Book type Subjects
Ubiquitous Celebrating Nature's Survivors 578 Sid Sidman, Joyce Prange, Beckie Nonfiction Animals; Extinction;; Evolution; Adaptation, animal; Classifying species; Species View
Ukraine 947.7 Rod Rodgers, Mary M., ed. Nonfiction Ukraine; Ukraine, history; Ukraine, geography; Ukraine, art and culture; View
Ultimate Weird But True National Geographic Kids-1000 Wild & Wacky Photos 031.02 Ter Terry, Robin National Geographic Weird But True Nonfiction Curiosity; Wonders of the world; Juvenile literature View
Ultimate Weird But True! #3 1000 Wild & Wacky Facts & Photos! 031.02 Nat National Geographic Weird But True! Nonfiction Animals; Inventions; Facts and trivia; Weird science;; Discoveries; Sports, weird facts View
Un beso en mi mano E Pen Audrey Penn Ruth E. Harper and Nancy M. Leak Easy Children; Forest animals; Mothers; Raccoons; Child development View
Unclaimed Treasures Mac MacLachlan, Patricia Fiction Love; Growing up View
Unclaimed Treasures Mac MacLachlan, Patricia Fiction Families; Love; Summer View
Uncle Jed's Barbershop E Mit Mitchell, Margaree King. E African-americans; Segregation; Barbershops; Great depression; Jim crow laws; Disappointment View
Uncommon Champions Fifteen Athletes Who Battled Back 796.092 Kam Kaminsky, Marty Nonfiction Courage; Athletes; Sports heroes View
Under the Blood-Red Sun Sal Salisbury, Graham Fiction World war ii; Japanese-americans; Pearl harbor; Hawaii View
Under the Cat's Eye A Tale of Morph and Mystery Rub Rubinstein, Gillian Fiction Friendship; Boarding school; Paranormal;; Human-animal relationships;; Principals, school; View
Undercover Tailback Chr Christopher, Matt Casale, Paul Fiction Flying; Football; Cheating View
Under Fire in World War II 940.54 Fit Fitzgerald, Brian Nonfiction World war ii; Japan; Pearl harbor; Naval battles; Germany; Blitzkrieg; Allied armies; Mussolini, benito;; Axis powers; Battle of britain; Normandy invasion; View
Under the Mesquite McC McCall, Guadalupe Garcia Fiction Families; Writing; Poetry; Cancer; Mexican americans; Coming of age; Responsibility; Texas View
Under the Royal Palms A Childhood in Cuba 92 Ada Ada, Alma Flor Nonfiction Coming of age; Cuba; Childhood; Ada, alma flor View
Under the Sea 591.77 Wru Wrubel, Priscilla Ferrero, Betti Nonfiction Whales; Fish; Oceans; Sharks; Seas; Wildlife, oceans; Squid View
Understanding Israel 956.94 Gar Gartler, Marion, et al. Nonfiction Israel; History, jewish; Israel, geography; Israel, history View
Understanding Liberia 966.6 Gar Gartler, Marion Nonfiction Africa; Animals, african; West africa; Liberia; Liberia, history; Liberia, government View
Understood Betsy Fis Fisher, Dorothy Canfield Fiction Fears; Orphans; Cousins; Independence View
Under a War-Torn Sky Ell Elliott, L. M. Fiction Survival; World war ii View
Under Your Skin: Your Amazing Body 611 Man Manning, Mick Granstrom, Brita Nonfiction Taste; Human body; Touch; Skin; Sight; Hearing; Smell; Heart; Lungs; Voice View
Un dia de pesca E War Warner, Rachel Easy Fishing; Bangladesh View
Unfriended Vai Vail, Rachel Fiction Friendship; Popularity; Social media View
Ungifted Kor Korman, Gordon Fiction Gifted children; Mischief; Robots View
Unicorn Diaries: Bo and the Dragon-Pup #2 in series EC Ell Elliott, Rebecca Elliott, Rebecca Unicorn Diaries Easy School; Mischief; Friendship; Forests; Dragons; Unicorns; Lost or stolen; Lost (being lost); Searching; View
Unicorn Diaries-The Glitter Bug #9 in series EC Ell Elliott, Rebecca Elliott, Rebecca Unicorn Diaries Easy Forest animals; Magic; Unicorns; Healers; Sneezing; Friends; Cures; Foxes; Super powers; Doctors View
Unicorns of Balinor Sta Stanton, Mary Fiction Unicorns; Princesses View
Units & Measurements 530.8078 Ric Richards, Jon Moores, Ian Nonfiction Science experiments; Measurement; Science projects; Units View
Unschooled Woo Woodrow, Allan Fiction School; Competition; Friends; Practical jokes View
Un Tesoro en el Patio Cop Copons, Jaume Delicado, Federico Fiction Grandparents; Boys; Treasure; Villages; Friends; Treasure hunt; View
Unwitting Wisdom An Anthology of Aesop's Fables 398.24 War Ward, Helen Ward, Helen Nonfiction Fables; Aesop's fables View
Up the Chimney 398.209 42 Hod Hodges, Margaret Harvey, Amanda Nonfiction Witches; Girls; Forest animals; Folktales, english; View
Upchuck and the Rotten Willy Wal Wallace, Bill Slonim, David Fiction Dogs; Cats View
Up Close: Oprah Winfrey 92 Win Cooper, Ilene Nonfiction African americans; Television; Entertainers; Winfrey, oprah View
Up in the Air The Story of Bessie Coleman 92 Col Hart, Philip S. Nonfiction Airplanes; Women; Aviation; Pioneers, aviation; Coleman, elizabeth View
Up North in MIchigan 977.4 Bin Binstadt, Chari Yost Nonfiction Upper peninsula, michigan; Michigan, northern View
Up a Road Slowly Hun Hunt, Irene Fiction Families; Orphans; Aunts View
Upstairs Mouse, Downstairs Mole E Yee Yee, Wong Herbert. Yee, Herbert Wong, illus E Mice; Moles; Neighbors; Cooperation View
Up, Up, Down E Mun Munsch, Robert Martchenko, Michael Easy Climbing View
Uruguay . . . in Pictures 989.5 Hav Haverstock, Nathan A. Nonfiction Uruguay; Uruguay, history; Uruguay, geography; Uruguay, art and culture; View
Usborne Beginner's Spanish Dictionary 413 Dav Davies, Helen Shackell, John Nonfiction Dictionaries; Dictionaries, picture View
Uses for Mooses E Tha Thaler, Mike. Smith, Jerry, illus E Pets View
USA From Space 917.3 Fal Fallen, Anne-Catherine Nonfiction Space exploration;; Geography (united states); View
USS Arizona 940.53 Ste Stein, R. Conrad Nonfiction World war ii; Japan; Pearl harbor; Hawaii; Warships; Air force, united states; Uss arizona View
Utterly Yours, Booker Jones Duf Duffey, Betsy Fiction Families; Authors; Middle school; Family life View