Title: Case Files 19 & 20: The Case of the gobbling goop & The Case of the surfer dude who's truly rude
Author: Enid Blyton
There are two stories/TV episodes in each book so they are 'flipper' books, with a front cover for each story.
THE CASE OF THE GOBBLING GOOP
An eccentric professor disappears - with a secret formula!
THE CASE OF THE SURFER DUDE WHO'S TRULY RUDE
Surfboard sabotage in Malibu!
ISBN: 978-0-340-98116-0
| 144 Pages
Size: 130x178
Paperback £4.99