Karl Popper described Die Beiden Grundrpobleme der Erkenntnistheorie.

Colloquial Irish 2 is the ideal way to refresh your knowledge of the language and to extend your skills from the beginner level to advanced beginner.

Introducing Linguistics brings together the work of scholars working at the cutting-edge of the field of Linguistics, creating an accessible and wide-ranging introductory level textbook for newcomers to Linguistics.

The Psychology of Video Games introduces the relationship between psychology and video games from the perspective of game makers and players. Assuming no specialist knowledge, it looks at how games are made, what makes them fun and successful, benefits gaming can have on players, and ethics considerations.

The book is organised into three sections, the first covering work that has focused on the experiences of living in DV settings as a child or young person, the second offers overviews of the impact of child victimisation and the final section is about working with children in practice and service-based settings.

A compelling and fascinating account of how we must change our thinking about the environment, The Ecological Self is a classic of ecological and environmental thinking. This Routledge Classics edition includes a substantial new introduction by the author.

This course teaches Catalan, as spoken in north-eastern Spain today.

This third edition of the popular Japanese course for beginners has been completely rewritten to make learning the language easier and more enjoyable than ever before.

This third edition of Colloquial Czech has been revised and updated to make learning Czech easier and more enjoyable than ever before.

This new edition of Colloquial Arabic of the Gulf has been revised and updated to make learning this variety of Arabic easier and more enjoyable than ever before.