Book two in the action-packed, hilarious graphic novel series that's Narwhal and Jelly meets The Mouse and the Motorcycle, perfect for early and reluctant readers ages 5-9.

Shelby and Ham are the world's best racing team—until Ham teams up with somebody else. Can Shelby go back to driving solo?

Shelby and Ham are the greatest team in pet shop racing history, well on their way to becoming the greatest racers in the world!

But when Ham's long-lost sister returns to the pet shop and Ham wants to race with her instead, Shelby is suddenly a third—er, fifth—wheel. Will the pet shop pals' friendship survive?