Mary Had a Little Lab

Mary is an enterprising young inventor. She wants a pet, but it isn’t one she can easily buy…so she makes one with the Sheepinator! Mary’s pet sheep and her new invention make her popular with her classmates. But when she starts making sheep for her new friends, things go hilariously awry. Can Mary invent a way to fix this mess?

  • 32 Pages
  • 10.75" x 8.5"
  • 9780807549827
  • March 2018

Buy from Albert Whitman

  • 32 Pages
  • 10.75" x 8.5"
  • 9780807549865
  • April 2020

Buy from Albert Whitman

  • 9780807549834
  • December 2018

Other Places to Buy


  • Fliess’ verses include enough of the original poem (but tweaked) to tickle readers’ funny bones, and the rhyme and rhythm are spot-on. Girl science power and new friendships make for a good combination.

    - Kirkus Reviews

  • A rhyming picture book that would make even Dr. Seuss jealous…an innovatively fun celebration of smart girls.

    - Shelf Awareness for Readers

  • This is a surefire read-aloud that shows a girl being a successful scientist. A great fit for STEM storytimes.

    - School Library Journal

Awards & Accolades

  • Angie Karcher's Best in Rhyme Award 2019


    Petros Bouloubasis


    • Accelerated Reader Points: 0.5
    • ATOS Level: 2.6