Students registered for Microeconomics (ECO 221), order the textbook below. Students registered for Macroeconomics (ECO 222), click HERE to order. Students registered for both Micro and Macro, click HERE to our your textbook.

Your Course

FlatWorld

ECO 221 with Sherri Floros

Start Date: May 2022

Required Reading

Principles of Microeconomics

Version 4.0
By Libby Rittenberg, Alan Grant, and Timothy Tregarthen
Published: September 2021
ISBN: 978-1-4533-3905-3

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Basic $36.95 $53.21 CAD
- FlatWorld eReader: Mobile-friendly, searchable online textbook access
  - Included online Homework system — at no additional cost. Complete assignments and tests on any device if assigned by your instructor.
  - Integrated quizzes and flashcards connected to each online textbook to help you study.
Access until: December 15, 2026 (one year)
Standard $56.95 $82.01 CAD
- FlatWorld eReader: Mobile-friendly, searchable online textbook access
  - Included online Homework system — at no additional cost. Complete assignments and tests on any device if assigned by your instructor.
  - Integrated quizzes and flashcards connected to each online textbook to help you study.
- Downloadable, copy-protected PDF for reading offline on multiple devices—file is yours to keep. Downloaded files are protected by digital rights management and must be accessed using Adobe Digital Editions.
- Audiobook: Listen to the audio version of your textbook.
  - Generated for multiple languages
  - To request additional languages, please have your professor reach out to customer support.
Access until: December 15, 2026 (one year)
Print + Basic $63.95 $92.09 CAD
- High-quality, full color, printed textbook shipped to your door.
- FlatWorld eReader: Mobile-friendly, searchable online textbook access
  - Included online Homework system — at no additional cost. Complete assignments and tests on any device if assigned by your instructor.
  - Integrated quizzes and flashcards connected to each online textbook to help you study.
Access until: December 15, 2026 (one year)
Print + Standard $83.95 $120.89 CAD
- High-quality, full color, printed textbook shipped to your door.
- FlatWorld eReader: Mobile-friendly, searchable online textbook access
  - Included online Homework system — at no additional cost. Complete assignments and tests on any device if assigned by your instructor.
  - Integrated quizzes and flashcards connected to each online textbook to help you study.
- Downloadable, copy-protected PDF for reading offline on multiple devices—file is yours to keep. Downloaded files are protected by digital rights management and must be accessed using Adobe Digital Editions.
- Audiobook: Listen to the audio version of your textbook.
  - Generated for multiple languages
  - To request additional languages, please have your professor reach out to customer support.
Access until: December 15, 2026 (one year)

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