Series:

I Didn't Know That

15 total works

Cover of I Didn't Know

I Didn't Know

by Kate Petty

Published 1 March 1997
Provides information about stars, the sun and the planets, comets, and other astronomical phenomena.

Cover of I Didn't Know That Some Planes Hover

Cover of I Didn't Know That People Chase Twisters

Cover of Truck Can Be as Big as a House

Cover of I Didn't Know That the Sun is a Star

Cover of I Didn't Know That You Can Jump Higher on the Moon

Cover of People Chase Twisters/Other

People Chase Twisters/Other

by Kate Petty

Published 1 April 1998
Provides information about violent weather phenomena such as thunderstorms, lightning, blizzards, monsoons, and sandstorms.

Cover of Crocodiles Yawn to Keep Cool

Crocodiles Yawn to Keep Cool

by Kate Petty

Published 1 September 1998
Distinguishes between crocodiles and alligators and discusses their habitats, feeding habits, hunting behavior, reproduction, and hibernation.

Cover of Some Planes Hover

Some Planes Hover

by Kate Petty

Published 1 April 1998
Presents information about a variety of flying machines, from the earliest balloon and airplanes to jets, rocket-powered craft and planes of the future.

Cover of Tidal Waves Wash Away Cities

Tidal Waves Wash Away Cities

by Kate Petty

Published 1 August 1999

Cover of Whales Can Sing

Whales Can Sing

by Kate Petty

Published 1 September 1998

Cover of Some Cars Can Swim

Some Cars Can Swim

by William Petty

Published 1 August 1999

Cover of Trucks Can Be as Big As/House

Cover of Some Planes Hover and Other

Some Planes Hover and Other

by Kate Petty

Published 1 April 1998

Cover of People Chase Twisters Amazing

People Chase Twisters Amazing

by Kate Petty

Published 1 December 1998