This book is part of a book series called Ben 10 .

This book has been graded for interest at 6+ years.

There are 128 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 2013 by Egmont UK Ltd (eBooks) .

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