This week in apps features the latest in the Smithsonian Prehistoric Pals series, Triceratops Gets Lost, which is about a young dinosaur who gets lost.

Title: Triceratops Gets Lost

Publisher: Oceanhouse Media, Inc.

Release date: September 2, 2011

Price: $1.99

Background: Smithsonian's Prehistoric Pals series features an adventure about a young Triceratops getting separated from his herd and lost in the forest. The app is designed to give the reader insight into a bygone world and an incredible creature.

Features: Professional narration, content reviewed by paleontologists at the Smithsonian Institution, background audio, enlarged artwork, individual word highlighting capability.