Frog and Toad Copyright © by Arnold Lobel. Used by permission of HarperCollins Publishers. All rights reserved.
©M.S
©junaida
©Shuntaro Tanikawa
©Dragon Trilogy Irrevocable Trust / Karlan Collection of Children’s Literature, University of Minnesota Libraries,USA.
©Yui Kojima
©Shinsuke Yoshitake
©Shuntaro Tanikawa Office, Inc.
©Kosuke Mae
©M.S
©Takayuki Ino
©Rieko Nakagawa
©Yuriko Yamawaki