Puzzleheart

Twelve-year-old Perigee has never met a problem they couldn't solve. So when their dad's spirits need raising, Perigee formulates The Plan: a road trip to Dad's childhood home to reunite him with his estranged mother. There's something in it for Perigee, too, as they will finally get to visit “Eklunds' Puzzle House,” the mysterious bed-and-breakfast their grandparents built but never opened.

They arrive ahead of a massive storm, and the House immediately puts Perigee's logical, science-lovin...