Meet Abby and Gabby, twin sisters with distinct interests and unique tastes in fashion. When their exciting plans for summer are temporarily delayed by Summer School, the girls come up with a plan to make sure they pass. Add a little mischief and Abby's "scheme" takes off. Come discover if their sisterly misadventure will derail their summer plans and lead to ruin. Only time will tell. Why not open the pages of Twinning Twosday: The Summer before Middle School and find out what these sisters have up their sleeves or should I say under their wigs? Come discover if their sisterly misadventure will derail their summer plans and lead to ruin. Only time will tell. Why not open the pages of Twinning Twosday: The Summer before Middle School and find out what these sisters have up their sleeves or should I say under their wigs?