Free yourself from cosmological tyranny! Everything started in a Big Bang? Invisible dark matter?...

Making sense of our reality has burdened humanity since the very beginning. In their search for a...

This short book discusses the latest in terms of cosmology's knowns and unknowns and sets out to ...

This compact, presentable and best-selling dictionary is a fully up-to-date, comprehensive and cl...

An engaging defence and critique of the various arguments from both science and religion on the f...

A new edition of an alphabetical list of Welsh words that cause a mutation, and a summary of the ...

A step-by-step guide to building your own Welsh sentences, with exercises and glossary. Reprint. ...

Do you ever look up to the stars and wonder about what is out there?Over the last few centuries, ...

If knowing what preposition to use is causing you problems while writing in Welsh, here is an eas...

A full list of adjectives that take comparison in Welsh. It includes some inflected forms which m...

Featuring all versions of a word, including feminine and plural and different verb forms, this is...

A step-by-step guide designed to help familiarize beginners with the structures and spelling of f...