Book a Costumed Character
Where Dreams Come True

If you are interested in having a trademarked Houghton Mifflin Harcourt character at your event, please contact Costume Specialists, 1.800.596.9357. They will answer all questions concerning availability, delivery and pickup. See costume selections below:

  • Curious George
  • The Man with the Yellow Hat
  • Lyle the Crocodile
  • Tacky the Penguin
  • George and Martha
  • Martha the Talking Dog
  • Rotten Ralph
  • Stella Luna
  • Auntie Claus
  • Chet Gecko
  • Oliver K. Woodman

Please note that these costumes are not available for private functions, such as birthday parties.

If you would like more information on specific authors and their presentations, please fax your request to the Children’s Publicity Department, 617.351.1111, or email it to