Home Astronomy for Children 11 Things I Wish I Knew in Middle School #TodayILearned | 11 BEFORE 12 by Lisa Greenwald 11 Things I Wish I Knew in Middle School #TodayILearned | 11 BEFORE 12 by Lisa Greenwald booksforchildren Aug 07, 2017 comments off Tweet on Twitter Share on Facebook Pinterest Playful Planets children's book series. #TIL #TodayILearned 11 Before 12 adolescence Ari best friend BFF birthday birthday party Book Books bucket list celebrations children childrens book coming of age fiction Friendship Fun Funny Growing-Up HarperCollins holiday Humor Kaylan kids Lisa Greenwald literature lockers loyal loyal to the list lunch middle grade middle school picture book Reading sleepover social themes TBH: This is So Awkward teenager teens today i learned transitions wish