Ritsuko Kawai

The Official Hamtaro Trading Card Guide

The Legend of Hamtaro (Hamtaro Jr Chapter Book #2)

Hamtaro Origami

The Hamtaro Postcard Book

Hamtaro, Let's Play! Vol. 3

A Home for Hamtaro and Other Stories (The Adventures of Hamtaro, Vol. 1)

Hamtaro Abc Book

Hamtaro Board Game Book

Hamtaro Trading Card Game

Hamtaro Gets Lost and Other Stories (The Adventures of Hamtaro, Vol. 2)

Hamtaro

Hamtaro 8x8 #4 (Hamtaro)

Hamtaro, Let's Play! Vol. 1

Hamtaro Much Ado About School

Hamtaro's New Home (Hamtaro)

Hamtaro, Let's Play! Vol. 2

The Adventures of Hamtaro, Vol. 3

Do the Ham-Ham Dance

Hamtaro, Let's Play! Vol. 4

Hamtaro 123 Book

Hamtaro Pop-Up Playset (Hamtaro)

Hamtaro Hamster Care Guide

Hamtaro Punch-Out Activity Book (Hamtaro)

The Official Hamtaro Handbook (Hamtaro)

Hamtaro

Hamtaro Punch-Out Activity Book

Adventures of Hamtaro: Volume 1

Official Hamtaro Handbook with Sticker