To Snoop or Not to Snoop?Paperback - 1999
I Spy Cool! Mary-Kate and Ashley have a new telescope. Their father bought it so they could learn about the stars. The twins have a better idea, though: They're going to spy on their neighbors! But the spying turns serious when Mary-Kate sees something she shouldn't. Something that spells big trouble for the twins...
Publisher: New York : HarperEntertainment, c1999.
Characteristics: 85 pages :,illustrations ;,20 mc.