Relativity, as Explained by Professor Xargle

By Jeanne Willis

In the latest of his intergalactic lessons, Professor Xargle explains the concept of relativity to his alien students as a mysterious force that holds Earth families together, describing relatives... This description may be from another edition of this product.

• Format: Hardcover
• Language: English
• ISBN: 0525452451
• ISBN13: 9780525452454
• Release Date: May 1994
• Publisher: Dutton Books for Young Readers
• Length: 32 Pages
• Weight: 0.50 lbs.
• Dimensions: 9.3" x 0.5" x 8.3"
• Age Range: 10 years and up
• Grade Range: Grade 5 and higher