Nazdrave maestro!
Subtitle: bokhemskite chasove na Ivan Penkov
By: Milena Georgieva
Edition: Pŭrvo izdanie
Publisher: Institut za izsledvane na izkustvata
Published: 2013
Place of publication: Sofii︠a︡
Language: bul
Number of pages: 344
ISBN-13: 9789549254013; 9789548594332
Subjects: Artists; Biography
Notes: Includes bibliographical references (pages 338-341).

In Bulgarian, with a summary in English.