In Hammer, Volume 1, Stud’s father has gone on another expedition, leaving him alone to fend for himself. Luckily, he can turn his bare hands into hammers.

In Hammer, Volume 2, after Stud defeats the murderer, Steele, his new friends Detective Dan and his sister try to piece together what the criminal is really up to.

In Hammer, Volume 3, our hero Stud finds himself in the Jungle Kingdom, where he encounters an ally from an earlier adventure and his bag is stolen. Will he be able to retrieve it before it's given to Brutus Elephante, the Jungle King?