Ellie & Kat, Time-Jinx Twins

Eleven-year-old Ellie is bummed when her world-traveler father brings her identical twin sister Kat to Chicago to live with Ellie and her physicist mom. Ellie barely knows Kat! And she isn't sure she likes her. Ellie's into fitness and gymnastics; sophisticated Kat is into her phone.But then the bickering twins trigger Mom's not-quite-finished time machine and travel to 1970 Chicago. A truce is the only way to survive and find a way home.Not that 1970's so bad. Their supercool young...
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Eleven-year-old Ellie is bummed when her world-traveler father brings her identical twin sister Kat to Chicago to live with Ellie and her physicist mom. Ellie barely knows Kat! And she isn't sure she likes her. Ellie's into fitness and gymnastics; sophisticated Kat is into her phone.But then the bickering twins trigger Mom's not-quite-finished time machine and travel to 1970 Chicago. A truce is the only way to survive and find a way home.Not that 1970's so bad. Their supercool young hippie grandma is there, plus a new friend who might be a genius, and 10-cent Snickers. But home is home. Seeking help at a university physics department, they end up exposing their tiny time machine to the greedy gaze of Professor Wilkes Lavin. When Lavin swipes the machine for his own evil schemes, Ellie and Kat agree to do whatever it takes to get it back.In tricky situations, escapes, and sometimes just for fun, the sisters make the most of their identical twinness. Ellie's acrobatics and martial arts come in handy; Kat calls on her fact-checking and tech know-how and, to Ellie's surprise, hidden talents for singing and improv. If they aren't careful, they just might become friends.