Each product is delivered as a downloadable PDF. No ZIP file or special app is required.

After checkout, Payhip provides immediate access and emails a receipt containing your download link.

Yes. You may use it digitally or print a personal copy. Colors and margins can vary by printer and paper.

No. The guides provide general educational information and are not photograph reviews, cultivar-identification services, treatment prescriptions, or guarantees of results.

Your purchase includes factual corrections and minor updates to the edition you bought. A substantially expanded future edition may be sold separately.

Use the Contact page and include the email address used at checkout so we can help locate your purchase.

Because digital products are delivered immediately, all sales are final once access has been provided. If you are charged twice, receive the wrong file, or cannot access a working copy after contacting us, we will make it right. This policy does not limit any rights available under applicable law.