Amos & Boris
Steig, William,1907-2003.
New York Puffin Books
1977, c1971
Reprint of the ed. published by Farrar, Straus and Giroux, New York
Befriended by a whale as he is drowning in the ocean, a mouse gets a chance to reciprocate years later in an equally unlikely situation
Mice
Whales
Friendship