This book is part of a book series called Thomas the Tank Engine .

There are 64 pages in this book. This is a picture book. A picture book uses pictures and text to tell the story. The number of words varies from zero ('wordless') to around 1k over 32 pages. Picture books are typically aimed at young readers (age 3-6) but can also be aimed at older children (7+). This book was published 2005 by Egmont UK Ltd .

The Unknown Adventurer is still believed to be at large in the wild.