What’s different about my book?

The Unbound app uses image-recognition technology to make your book come to life on your mobile device. See how it works »

How does this technology work?

Using the Unbound app on your mobile device, scan the specially marked pages in your book to reveal bonus content from your favorite author!

Check out these titles that come to life with HarperCollins Unbound:

The Disease Delusion

Conquering the Causes of Chronic Illness for a Healthier, Longer, and Happier Life

by Dr. Jeffrey S. Bland and Dr. Mark Hyman

Buy

Special features in this book:

Butterfly Icon Scan the specially marked pages in chapter 13 to launch eight interactive health self-assessments:

  • General Health Self-Assessment (page 293)
  • Assimilation-Elimination (page 296)
  • Detoxification (page 298)
  • Defense (page 300)
  • Cellular Communications (page 303)
  • Cellular Transport (page 307)
  • Energy (page 312)
  • Structure (page 316)
The Disease Delusion: Conquering the Causes of Chronic Illness for a Healthier, Longer, and Happier Life

Local

The New Face of Food and Farming in America

by Douglas Gayeton

Buy

Special features in this book:

Film Icon Scan pages with the film icon to watch short documentary films created by Douglas Gayeton.

Local: The New Face of Food and Farming in America

The Pioneer Woman Cooks: A Year of Holidays

140 Step-by-Step Recipes for Simple, Scrumptious Celebrations

by Ree Drummond

Buy

Special features in this book:

Butterfly Icon Scan pages with recipe headlines marked by the butterfly icon to launch video demonstrations with the author:

  • Eggs in Hash Brown Nests (page 102)
  • Homemade Tortillas (page 143)
  • Toasted Ravioli (page 180)
  • Caramel Apples (page 230)
  • Brandy Snaps (page 303)
  • Prime Rib (page 330)
The Pioneer Woman Cooks: A Year of Holidays: 140 Step-by-Step Recipes for Simple, Scrumptious Celebrations

YOU: The Owner’s Manual

An Insider’s Guide to the Body That Will Make You Healthier and Younger

by Mehmet C. Oz, M.D. and Michael F. Roizen

Buy

Special features in the paperback edition of this book:

Unbound Icon Scan pages marked by the Unbound icon to launch bonus content:

  • 20 videos of Dr. Mike Roizen sharing tips for healthier, longer, younger living
  • 11 interactive quizzes to help you engage deeper with the subject matter and test your knowledge
YOU: The Owner’s Manual: An Insider’s Guide to the Body That Will Make You Healthier and Younger