Small Inventions That Make a Big Difference by various

Title: Small Inventions That Make a Big Difference
Series: Books for Young Explorers
Number in Series: n/a
Author(s): Sharon Barry, William P. Beaman, Sandra Lee Crow, Catherine O’Neill, Judith E. Rinard, Susan Tejada
Cover Artist(s): John Huehnergarth
Interior Artist(s): Joseph H. Bailey, John Huehnergarth
Language: English
Publisher: National Geographic Society
Published: 1984
ISBN-10: 0870444980
ISBN-13: 9780870444982

Amazing Mysteries of the World by Catherine O’Neill

Title: Amazing Mysteries of the World
Series: Books for Young Explorers
Number in Series: n/a
Author(s): Catherine O’Neill
Language: English
Publisher: National Geographic Society
Published: 1983
ISBN-10: 0870444972
ISBN-13: 9780870444975