The discounted Kindle edition prices apply to book purchases made in the future on Amazon too.
But the bigger announcement was a brand new program called MatchBook, which allows authors and publishers to offer heavily discounted Kindle editions of their print books past and future.
We included only modern-day cars like the Spyker C8 Aileron from Holland, and we discounted limited-edition or rare-trim models on well-known cars made by well-known brands (like Mercedes-Benz affiliate AMG or Ford's Shelby mustangs).
Although the books are somewhat expensive, both are available from online booksellers at discounted rates and in inexpensive electronic editions for at least one brand of e-reader.
Fire TV Stick - the fastest-selling Amazon device in history - is also discounted to £24.99, while the Fire Kids Edition tablet, which comes with a year's content with Fire for Kids Unlimited and a 2-year Worry Free Guarantee, is also available for just £69.99 - a discount of £30.
In that spirit, Amazon has discounted both the standard and Collector's Edition of the new-ish Star Trek Online franchise.
He added that to encourage early take-up, publisher Activision was offering purchasers of the Xbox 360 and PlayStation 3 games discounted copies of the Xbox One and PS4 editions if they upgraded within a time limit.
Cost-conscious readers who used to wait for the heavily discounted paperback have now realized that the e-book edition, available on the first day the book is published, can be about the same price.
The plan, at least according to AdWeek, is to sell consumers ad-supported Android tablets at a discounted rate that includes access to the paper's digital editions.
"Traveling With Your Pet: The AAA Pet Book," in its second edition, has more than 10,000 AAA-rated lodgings in the United States and Canada; $13.95, discounted for members at AAA clubs; (877) 222-2665.
