Dune Deluxe Hardcover Edition

This National Geographic parks guide is $14.25 for Prime members, down from its $40 list price. It covers more than 400 U.S. parks, monuments, battlefields, and trails. Buy Now at Amazon

This cookbook is $12.46, down from its $30 list price. It beats Amazon's own all-time low by a buck. Buy Now at Amazon

Amazon offers Everything You Need to Ace Chemistry in One Big Fat Notebook in Paperback for $7.19. That's $2 less than you'd pay at Target. Shipping is free for Prime members.  Buy Now at Amazon

This eBook is normally valued at $28, but TradePub.com is offering it for free for a limited time. Readers just need to register with a work email to download a copy of Resumes For Dummies, 9th Edition. Shop Now at TradePub

Clip the on-page coupon to knock this alternative Halloween costume down to $18. That's a savings of $5. Buy Now at Amazon

Shop a large selection of home items, electronics, and more in Amazon's Resale section and get up to an extra 30% off your order at checkout. Shipping is free for Prime members. The amount of the discount is shown on individual product pages. These items in the Amazon Resale section are returns that have been put through a quality check process and graded anywhere from "Used, As Is" to "Like New" condition. Shop Now at Amazon

Here you'll find the best limited-time offers that Amazon has available today as part of the lead-up to its Prime Big Deal Days sale on October 6 and 7. Shipping is free for Prime members. The sale refreshes at 3am ET each day. Shop Now at Amazon

Amazon's Prime Big Deal Days event is due to kickoff on October 6. In the meantime, you can shop a large selection of early clearance deals in Amazon's Outlet section. Deals can be found on home & garden items, automotive essentials, apparel, electronics, and more. Shipping is free for Prime members. Shop Now at Amazon