Book 1

Afraid of being left alone, Rotten Ralph, the nasty red cat, follows Sarah to school and tries to prevent her from making new friends.

Book 1

Rotten Ralph I Can Read

by Jack Gantos

Published 1 September 1999

Book 2

Sarah's high-spirited, poorly behaved cat, Ralph, disrupts her aunt's wedding with his outlandish antics.

Rotten Ralph Helps Out

by Jack Gantos

Published 7 August 2001
Sarah's cat Rotten Ralph tries to help her create a school project based on ancient Egypt, but he is more of a hindrance than a help.

Rotten Ralph

by Jack Gantos

Published 9 September 1976
Ralph, a very, very nasty cat, finally sees the error of his ways -- or does he? "Rotten Ralph . . . is irresistible." -- Publishers Weekly

Worse Than Rotten Ralph

by Jack Gantos

Published 1 January 1978
Rotten Ralph makes an earnest attempt at good behavior but is enticed, not too reluctantly, into a series of misadventures by some ruffian alley cats. "The gleefully naughty story is matched by antic pictures, so brashly colored that they glow in the dark." -- Publishers Weekly

Not So Rotten Ralph

by Jack Gantos

Published 31 December 1994
Sarah's mischievous cat, Rotten Ralph, is sent to feline finishing school, but Sarah finds she liked him better the way he was.

Rotten Ralph's Show and Tell

by Jack Gantos

Published 1 November 1988
Sarah takes her rotten cat Ralph to school for Show and Tell and he behaves terribly, as usual, by spoiling everyone's show.

When the veterinarian determines that Sarah's cat has used up eight of his nine lives, will the high-spirited feline finally stop misbehaving?

Rotten Ralph's Rotten Romance

by Jack Gantos

Published 6 January 1997
It is Valentine's Day and Rotten Ralph, a very, very nasty cat, is up to his rotten tricks.

When he goes to a carnival with Sarah and his cousin Percy, Rotten Ralph learns that winning is not everything.



Happy Birthday Rotten Ralph

by Jack Gantos

Published 24 September 1990
Rotten Ralph the cat is up to his usual rotten behavior as Sarah prepares for his birthday party.






Rotten Ralph Feels Rotten

by Jack Gantos

Published 8 September 2004
Rotten Ralph comes to appreciate Sarah's healthy cat food after he gets sick from eating out of trash cans.