(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.

(Holt, 1997)
Animal rear ends and their many uses – from cats marking their territory to sea cucumbers housing pearl fish to spiders spinning silk.
Illustrated by Patrick O’Brien.