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Ruby and her three BFFs go camping in this third installment of the relatable and empowering The Invincible Girls Club chapter book series that fans of The Baby-Sitters Club will love!

Ruby's life turns upside-down when her parents give her some big news: she's going to be a big sister! She is a little worried about the new arrival, so her dad takes her and the rest of the Invincible Girls camping for the weekend, where she plans to become one with nature, bond with her friends and Dad, and ...