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Publication Order of Ira Books
| Ira Sleeps Over | (1972) | Hardcover  Paperback  Kindle |
| Ira Says Goodbye | (1988) | Hardcover  Paperback  Kindle |
Publication Order of Lyle the Crocodile Books
| The House on East 88th Street | (1962) | Hardcover  Paperback  Kindle |
| Lyle, Lyle, Crocodile | (1965) | Hardcover  Paperback  Kindle |
| Lyle and the Birthday Party | (1966) | Hardcover  Paperback  Kindle |
| Lovable Lyle | (1969) | Hardcover  Paperback  Kindle |
| Lyle Finds His Mother | (1974) | Hardcover  Paperback  Kindle |
| Funny, Funny Lyle | (1987) | Hardcover  Paperback  Kindle |
| Lyle at the Office | (1994) | Hardcover  Paperback  Kindle |
| Lyle at Christmas | (1998) | Hardcover  Paperback  Kindle |
| Lyle Walks the Dogs | (2010) | Hardcover  Paperback  Kindle |
| Lyle, Lyle, Crocodile Storybook Treasury | (2012) | Hardcover  Paperback  Kindle |
| Meet Lyle | (2022) | Hardcover  Paperback  Kindle |
| Lyle and Friends | (2022) | Hardcover  Paperback  Kindle |
Publication Order of Children’s Books
| Rich Cat, Poor Cat | (1963) | Hardcover  Paperback  Kindle |
| Just Like Abraham Lincoln | (1964) | Hardcover  Paperback  Kindle |
| You Look Ridiculous, Said the Rhinoceros to the Hippopotamus | (1966) | Hardcover  Paperback  Kindle |
| An Anteater Named Arthur | (1967) | Hardcover  Paperback  Kindle |
| A Rose For Mr. Bloom | (1968) | Hardcover  Paperback  Kindle |
| A Firefly Named Torchy | (1970) | Hardcover  Paperback  Kindle |
| Nobody Is Perfick | (1971) | Hardcover  Paperback  Kindle |
| I Was All Thumbs | (1975) | Hardcover  Paperback  Kindle |
| But Names Will Never Hurt Me | (1976) | Hardcover  Paperback  Kindle |
| Mice on My Mind | (1977) | Hardcover  Paperback  Kindle |
| Goodbye, Funny Dumpy-Lumpy | (1977) | Hardcover  Paperback  Kindle |
| The Snake: A Very Long Story | (1978) | Hardcover  Paperback  Kindle |
| You’re a Little Kid with a Big Heart | (1980) | Hardcover  Paperback  Kindle |
| Dear Hildegarde | (1980) | Hardcover  Paperback  Kindle |
| Do You See a Mouse? | (1995) | Hardcover  Paperback  Kindle |
| Gina | (1995) | Hardcover  Paperback  Kindle |
| A Lion Named Shirley Williamson | (1996) | Hardcover  Paperback  Kindle |
| Bearsie Bear and the Surprise Sleepover Party | (1997) | Hardcover  Paperback  Kindle |
| The Mouse That Snored | (2000) | Hardcover  Paperback  Kindle |
| Fast Food! Gulp! Gulp! | (2001) | Hardcover  Paperback  Kindle |
| Courage | (2002) | Hardcover  Paperback  Kindle |
| Evie and Margie | (2003) | Hardcover  Paperback  Kindle |
| Ask Me | (2015) | Hardcover  Paperback  Kindle |