Bill Martin Jr was the beloved author of more than three hundred books for children and teachers, including the classics Brown Bear, Brown Bear, What Do You See? and Chicka Chicka Boom Boom.
Michael Sampson taught kindergarten through fourth grade before meeting fellow literacy expert Bill Martin Jr at a conference in Tucson, Arizona in 1978. They established a lifelong friendship and collaborated on many bestselling and award-winning books for children, including Chicka Chicka 1, 2, 3 and Panda Bear, Panda Bear, What Do You See?