https://www.abebooks.com/9780794515010/Big-Pig-Dig-Easy-Words-0794515010/plp?cm_sp=plped-_-1-_-isbn
Big Pig on a Dig (Easy Words to Read) - Cox, Phil Roxbee: 9780794515010 - AbeBooks
When Big Pig receives a mysterious map, he asks Fat Cat to help him dig, but Fat Cat wants to take a nap, so Big Pig decides to go out on his own, in a text...