Book excerpt: This is a handy guide to the art 'isms' of the modern day. From Impressionism and the birth of modern art to street art and Internationalism of the 21st century, it gives a practical introduction to all the significant isms that have shaped modern art history. For each ism, there is a clear definition, an introduction to the topic, lists of key artists, key words, and key works from the movement, as well as references to other isms that the reader might be interested in. This book is a must for anyone with an interest in modern art - whether occasional visitors to galleries, students of art or more knowledgeable art connoisseurs.