| Year | Title | Award | Result | Ref. |
|---|
| 1998 | Animal Dads (as illus.) | NCTEOrbis Pictus Award | Recommended | [7] |
| 1999 | Hottest, Coldest, Highest, Deepest | NCTEOrbis Pictus Award | Honor | [7] |
| 2000 | The Top of the World | NCTEOrbis Pictus Award | Honor | [8] |
| 2002 | Animals In Flight | NCTEOrbis Pictus Award | Recommended | [8] |
| 2004 | What Do You Do with a Tail Like This? (as illus.) | Caldecott Medal | Honor | [9][10] |
| 2005 | Actual Size | NCTEOrbis Pictus Award | Honor | [8] |
| 2006 | Top of the World: Climbing Mount Everest | Quick Picks for Reluctant Young Adult Readers | Selection | [11] |
| 2007 | Animal Poems (as illus.) | Cybils Award for Poetry | Finalist | [12] |
| Living Color | Cybils Award for Nonfiction Picture Books | Finalist | [12] |
| 2008 | Living Color.
Animals: tomato frog, scarlet percher dragonfly,deep-sea jellyf
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