I Used to Know That: Maths

Independent bookseller
Established in 1987, we’ve been sharing reading recommendations for decades.

Books you won’t find elsewhere
Discover new authors among our frequently changing bookshelves, along with almost-forgotten gems and a wealth of unusual titles you won’t find elsewhere.

Eco-friendly packaging
Orders are carefully packed in recyclable cardboard boxes, eco-friendly bubble wrap and solvent-free labels, paper and tape.

Condition and price
All our books are new, unused and unread, and they’re all up to 75% off RRP.

FREE monthly catalogue
Featuring over 400 handpicked titles, our unique catalogue is carefully curated and includes new and unusual titles, special features and exclusive collections.

Email newsletters
Our tailored newsletters are written by our booksellers, and we always highlight the books that we have talked about most in the Postscript office.

Footnotes blog
Some books spark ideas and conversations that our catalogue can’t contain – our Footnotes blog offers a deeper dive into a wealth of topics to inspire further reading.

Aftercare
We are all serious book people and we understand the value of reading. This is why we package our books so carefully and employ a helpful in-house customer services team to promptly resolve any queries you may have.