The first picture (in color) was inside the front cover of all the Russian edition Warlock novels published by Zelenogradskaya Books. The black & white images are from inside the 1992 Russian editon of Warlock in Spite of Himself.
Inside Cover
Cover Page
Part I: Visit to a Small Plantagenet
Rod vs. Big Tom
Part II: The Witch of Low Estate
Rod vs. the Loguire Ghosts
Rod vs. Councillor Durer