This book is part of a book series called Thomas And Friends .

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 2018 by Phoenix International, Inc .

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