Fiona, Elena, and Marcus travel to Chicago in 1938 to help a vampire recover her stolen locket.

Monster hunters Elena, Fiona, and Marcus travel back in time to Mexico during the reign of the Az...

'Erin, Mateo, and Noel sneak into Area 51 during a flash-mob raid on the infamous location, and o...

'Case #008: Blockchain technology'--Title page.

Francesca works hard at the long jump, but needs the help of an alien friend to help her do the r...

At the last-day-of-school carnival, Robot Boy and his friends must run for cover when the ultimat...

Grimple the troll believes he's cursed after feeling off since dining at Count Batula's house, so...

Jorge, Fiona, and Marcus travel to Woodstock in August 1969 to prevent the capture of a unicorn.

Francesca works hard at the long jump, but needs the help of an alien friend to help her do the r...

Javier loves playing baseball but is too nervous to play, so with help from an alien friend, he l...

'An adventurous team explores the Mars plains, which is littered with impact craters as far as th...

'Even with no visible water present, the team discovers a vast ocean that stretches deep beneath ...