Spring According to Humphrey (Book 12) By Betty Birney Paperback Chapter Book Used Wear Shown Spring has sprung and everyone at Longfellow School, including Ms. Brisbane's class, are happy! It also means Family Fun Night is coming up and all the students' families are involved in making amazing circus activities. Humphrey helps in many ways, but he can't help but wonder about his own family. He doesn't know anything about them. But when he thinks about all of the wonderful friends he has made at school and at his friends' homes, he stops worrying.