Upgrading your App

If you bought the Peterson Birds of North America app before May, 2015, you can upgrade to the new and improved app for free! Feel free to email for extra support for the transition and for the help with the new app.

We are not updating the Backyard Birds or Pocket Edition apps. If you have any questions, please contact us at Petersonmedia@hmhco.com.

About Peterson Field Guides

Houghton Mifflin Harcourt publishes over 50 books in the Peterson Field Guide series. For more information about HMH, please visit www.hmhco.com.


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