Toca Boca apps are well-loved in the Horn Book offices, and Toca Life: Hospital (Toca Boca, April 2017; iOS, Android, and Kindle Fire) is no exception.As the app opens, you are presented with a multi-level hospital on a busy street with mountains, a river, and several swaying trees in the...

The latest in Tinybop's Explorer's Library series, Mammals (2017; iOS only) offers a fascinating introduction to mammals and how their bodies operate.The app opens on a natural history museum–like gallery containing five subtly animated creatures: little brown bat, Linnaeus's two-toed sloth, red kangaroo, African elephant, and Bengal tiger. Tap on...

Moose Math (Duck, Duck, Moose, 2013; iOS and Android) opens onto a brightly colored city featuring three shops: Moose Juice, Puck’s Pets, and Lost and Found. Each shop offers its own game(s), each with six levels. When you reach the end of any level, you may choose an item to...