Held captive by the dangerous baron Lassigny, Will Treaty and his fearless young apprentice, Maddie, must outwit the baron with the help of their friends from home to escape.

When twelve-year-old Farah and her two best friends get sucked into a mechanical board game called The Gauntlet of Blood and Sand, a puzzle game akin to a large Rubik's cube, they know it is up to them to defeat the game's diabolical architect in order to save themselves and those who are trapped inside, including her baby brother Ahmed.

Poppy, Marcus, Dash, Dylan, and Azumi are trapped inside of Larkspur House, a sinister estate haunted by the ghosts of the orphaned children who have gone before, and the house is using their fears and secrets to pick them off one by one--because nobody gets out of the shadow house alive.

"Sol is the month between June and July on the thirteen-month Moon calendar. It's the only time teenagers have to themselves between rigorous scientific training and their ultimate lab assignments in their colony on the Moon. Their families emigrated from Earth to build better lives; but life on the Moon is far from perfect, as Uma learns on the eve of Sol. Uma meets an Earthen girl who becomes a fast friend, and much more. What Uma doesn't know is...