Front cover of an edition of Junie B. Jones and a Little Monkey Business.
Junie B. Jones and a Little Monkey Business (ISBN 9780679838869) is a children's novel of nine chapters by the American author Barbara Park. It was first published in 1993. It is the second book in the Junie B. Jones series.
In the novel, Junie B. Jones, the young girl who is the book's title character and protagonist, finds out that she is getting a new baby brother. Her grandmother comes home from the hospital and says that Junie's new brother is the cutest little monkey she has ever seen. Consequently, Junie B. Jones thinks that her new baby brother is a real monkey. When she tells her teacher about this, she is sent to talk with the principal. He explains that it is just an expression. When Junie B. Jones finally meets her brother, she decides that she likes having a brother and that he is cute.