Invest in your skills—and the planet. Your purchase of digital learning resources helps save energy on production, warehousing, and shipping, and reduces resource load for paper, packaging, and waste. Now through April 26, use discount code EARTH during checkout to save 40% on eBooks and Web Editions*. Shop featured titles below, or search eBooks and Web Editions.

Extra value: Most eBooks are available as DRM-free EPUB and PDF—together for one price so you can learn on your desktop or preferred device!

* Sale prices displayed reflect a 40% discount off list price achieved with purchase of eligible eBook or Web Edition and application of discount code EARTH.

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* Sale prices displayed reflect a 40% discount off the list price of eBooks or Web Editions achieved with purchase of eligible title and application of discount code EARTH. Discount code EARTH confers a 40% discount off the list price of eligible eBooks or Web Editions purchased on peachpit.com. Eligible titles include most eBooks, and Web Editions. Apply code during checkout to receive savings. Discount not valid on print books, Book + eBook "Best Value" or "Additional Savings" bundles, non-discountable products, Rough Cuts, or O'Reilly Online Learning. Discount code may not be combined with any other offer and is not redeemable for cash. Discount offer expires 11:59 p.m. EDT April 26, 2025. Offer subject to change. Release dates subject to change.