Robert Hoffman

A group of kids must protect their vacation home from invading aliens.

When rebellious street dancer Andie lands at the elite Maryland School of the Arts, she finds herself fighting to fit in while also trying to hold ont...

A group of American teens comes to Ireland to visit a friend who takes them on a camping trip in search of the local, fabled magic mushrooms. When the...

Viola Hastings is in a real jam. Complications threaten her scheme to pose as her twin brother, Sebastian, and take his place at a new boarding school...