The Adventures of Hamtaro (とっとこハム太郎, Tottoko Hamutarō?, literally Trotting Hamtaro) is a children's storybook series by Ritsuko Kawai. The main character is a hamster named Hamtaro. The books include A Home for Hamtaro and Other Stories, Hamtaro Gets Lost and Other Stories, and Jealous Hamtaro and Other Stories. VIZ Media publishes the storybooks in English.

Source: Wikipedia