Mary Had a Little Lab

Mary is an enterprising young inventor. One day she realizes she has no friends, so she decides a pet will do the trick. But the pet Mary wants isn’t one she can easily buy…so she makes one—and it’s a sheep, of course! Soon Mary, her sheep, and her new invention gain her popularity and friends. But when she starts making sheep for her new friends, chaos abounds.

  • 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