(Quarto/Words and Pictures, 2018)
A nonfiction picture book about some of nature’s strangest creatures.
Illustrated by Paul Daviz.

(EarlyLight, 2011)
A non-fiction book combining poetry and prose about moth and butterfly larvae.

(Holiday House, 2008)
A non-fiction book all about animal eggs.
Illustrated by Emma Stevenson.

(Darby Creek/Lerner, 2007)
A non-fiction book about venomous and poisonous animals.

(Holt, 2006)
True stories and legends about heroic cats around the world.
Illustrated by Jean Cassels.

(Darby Creek/Lerner, 2006)
A non-fiction book about smelly plants and animals.

(Holt, 2001)
A non-fiction picture book about difficult starts for baby animals.
Illustrated by Anna Vojtech.

(Holiday House, 2001)
A non-fiction picture book about bird, bat, and insect wings.
Illustrated by Anna Wertheim.

(Holt, 2000)
A chapter book with photographs about the work that dogs do.

(Holt, 1998)
And whales whistle and giraffes lick and chimps hug and zebras chew.
Illustrated by Normand Chartier.