The Mystery of the Missing Stapler

Ms. Bixby’s stapler is missing! She turns to Detective Daisy to help solve the mystery. In this beginning reader mystery series, Daisy wears her detective hat to solve perplexing mysteries in Classroom 202, and doesn’t stop until every case is cracked. Also available in Spanish and French!

    Now I know three important things. Ms. Bixby's stapler is not on her desk. Ms. Bixby's did not loan her stapler to another teacher. Ms. Bixby did not take her stapler home. So where is Ms. Bixby's stapler?