Will and Marty: Legend of Spud Murphy (Book 1)

Blurb

The Legend of Spud Murphy is part of a series called "Eoin Colfer's legend of ...", written by the Irish author Eoin Colfer, author of the best-selling series Artemis Fowl. The book was illustrated by Glenn McCoy. The series talks about two brothers: Will, who is nine years old and loves action man and Marty who is 10 years old. There are three books in the series so far:
Eoin Colfer's Legend of Spud Murphy
Eoin Colfer's Legend of Captain Crow's Teeth
Eoin Colfer's Legend of the Worst Boy in the World