North Wales, especially the Eastern part of the area, compares favourably with any other part of Britain for the richness of its ancient stained glass. In spite of this, except for a few outstanding examples, the glass has been ignored by art historians, a deficit remedied by this fine book. The first part of the book is a clear and straightforward historical survey which may be enjoyed equally by the specialist or by the general reader. The second part is a detailed description of the glass at each site and is meant mainly for reference and for the elucidation of the meaning of the work. The oldest stained glass in North Wales is at Treuddyn in Flintshire. Of great beauty and probably of three distinct dates, some of this is by the same hand as the famous glass at Grappenhall in Cheshire. Of the late 14th century are fragments at Worthenbury from the East window of Winchester College chapel, inserted by Betton and Evans of Shrewsbury who made a copy of the WInchester glass...