These tough pigs with tusks are named for the large bumps (or warts) on their faces. However, they look tougher than they are and would rather run and hide in their burrow homes than fight. Readers will learn a lot more awesome facts with simple sentences and exciting photographs. Aligned to Common Core Standards and correlated to state standards. Abdo Kids Jumbo is an imprint of Abdo Kids, a division of ABDO.