Arthur thinks his pen pal is more fun than his little sister. Little sistersdont do things like karate and wrestling or do they? It takes a surpriseletter to s... » 

Arthur thinks his pen pal is more fun than his little sister. Little sistersdont do things like karate and wrestling or do they? It takes a surpriseletter to show Arthur that sometimes theres more to sisters and pen pals than meets the eyeChildrens Choices for 1977 IRACBCChildrens Books of 1976 Library of Congress «