Secret at Mystic LakeBook - 2014
To celebrate her birthday, George is taking Nancy and Bess on a bike tour around Mystic Lake, but when their tour guide disappears and unknown adversaries steal their supplies and slash their tires, Nancy begins looking for clues.
Publisher: New York, N.Y. : Aladdin Books, 
Edition: 1st Aladdin paperback edition
Characteristics: 152 pages ; 22 cm