7D - Style of bookbinding for distinguished publisher of encyclopaedias ? (7) I have G?O?I?R
15A - 'the flashiest and fustiest ... (Milton) (8) I have ??G?H?A?
27A - His work to some extent idiotic, sounds s if it later went to the devil (10) I have ?????E????
25D - Oe of Goona's was green (4) i have ???S
The name by which Jean Grolier de Servier (1479-1565), a French bibliophile, is commonly known; -- used in naming a certain style of binding, a design, etc.