Menu

  • Educators
    Stay
  • Students
    Download your digital resources for Cheng & Tsui titles.

    Key Redemption

    Product Registration Help

    Product Registration Help

    To access purchased content or to download files from the Companion Website, you will need to create an account and register your product.
    Sign in to an existing account or register a new Cheng & Tsui account and enter your product key exactly as it appears.

    (Note: Some products will require you to answer a validation question instead of entering a product key.)

    Stay
  • Store

    Browse Megamenu

    Stay
  • E-Learning

Permissions Inquiries

Please send us a permission request including all of the following information:

  • The author, title, date, and page numbers of the material for which you are requesting permission
  • The length of the excerpt and, ideally, a copy of the specific material to be excerpted along with a copy of the pages from your book/article in which it is used
  • If you are working on a book: the author(s), publisher, anticipated date, approximate length, textbook vs. trade book, expected price, anticipated first print run of your book
  • If you are working on an article: the author(s), journal title, anticipated date of publication of your article
  • The type of rights requested: English/all languages, world/North American

You may submit your request to our Permissions Department e-mail permissions@cheng-tsui.com or by mail to:

Cheng & Tsui Company
Attn: Permissions
25 West Street
Boston, MA 02111
USA