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Affiliate Disclosure

Last updated: September 8, 2026

This disclosure is provided in accordance with the U.S. Federal Trade Commission's guidance on endorsements and testimonials (16 CFR Part 255).

What this means

PhDino ("the Site") includes a "Further reading" section at the end of its wiki articles and calculator pages. Those sections link to books hosted by Bookshop.org UK. Some of those links are affiliate links: if you click one and buy a book, PhDino may earn a commission from Bookshop.org.

The commission costs you nothing extra. The price you pay is the same whether or not you use our link.

Bookshop.org UK delivers within the United Kingdom only. If your browser's language setting is not a British one (for example en-US or it-IT), each book instead links to a free WorldCat page that shows which libraries near you hold it. Those WorldCat links are not affiliate links and earn PhDino nothing. The choice is made inside your browser from its language setting; PhDino does not send, record or store anything about it. The "full bookshelf" link always goes to Bookshop.org UK and is labelled accordingly.

How recommendations are chosen

The books listed are well-known, standard engineering references selected for their usefulness on the topic at hand. They are not chosen, ordered, or ranked based on whether they pay a commission or how much. If a link earns nothing, the recommendation would be identical.

No endorsement by the publishers

The authors, publishers, and Bookshop.org have no involvement in this Site and do not endorse it. Linking to a book is not a warranty of its contents.

Other monetization

The Site does not currently display advertising. Book links are its only source of income. If that changes, this page will be updated first.

Questions: use the Feedback button in the app.

This disclosure is periodically reviewed and updated; formal legal review by qualified counsel is in progress.