10% off all books and free delivery over £50

Buy from our bookstore and 25% of the cover price will be given to a school of your choice to buy more books. *15% of eBooks.

Books By J. G. Leathem - Author

Book Cover for The Elementary Theory of the Symmetrical Optical Instrument by J G Leathem

The Elementary Theory of the Symmetrical Optical Instrument

Paperback

Book Cover for Volume and Surface Integrals Used in Physics by J G Leathem

Volume and Surface Integrals Used in Physics

Paperback