Clem Hetherington and the Ironwood Race / Breach, Jen

Clementine and her robot brother Digory flee their orphange in order to follow in their archaeologist mother's footsteps by entering a multi-day rally to recover stolen artifacts.

"Clementine Hetherington and her robot brother, Digory, have run away from the orphanage they've been living in since their parents died. Clem and Dig want to follow in their famous archaeologist mother's footsteps, but no one will take them seriously."--OCLC.