Book excerpt: Written by several stroke neurosonology experts in Asia, this volume brings together the diverse experiences and skills of a number of leading practitioners in the field. In addition to detailing the ‘science’ behind various neurosonological evaluations, it documents the ‘art’ of performing these tests and provides representative cases encountered in neurovascular laboratories and day-to-day clinical practice. This book will serve as a reference point for sonographers and interpreting neurologists, particularly with regards to transcranial Doppler and cervical duplex examinations.