The publisher Damyan Yakov had a logo made years ago. It was (and still is) an open book:
In 2004 he asked me to add “Damyan Yakov Publisher” to the logo. Here is the logo I made for him:
He still uses both logos on his books — the small one for the cover spine and the title page and the large one for the front and back cover. The large logo is used on the publisher’s website