Book 5 of the Young Cousins Mysteries. A puzzling note has the cousins questioning whether there's such thing as a purple cow, and learning that they shouldn't lie.
- ISBN10 0613872452
- ISBN13 9780613872454
- Publish Date 1 September 2002
- Publish Status Active
- Imprint Turtleback Books
- Edition Turtleback School & Library ed.
- Format Hardcover (Library Binding)
- Language English