Bubba and Squirt's City of Bones by Sherry Ellis

Creepy Underground Catacombs!

Bubba and Squirt are back for another rousing quest as they travel through the mysterious vortex to Paris, France. It’s another wild adventure as they track down art thieves, encounter terrifying monsters, and discover the whereabouts of their missing father.

Will they make it out alive or join the rest of the skeletons in the City of Bones?