About the book: 1980 / Ukrainian writer, laureate of the Republican Prize named after. N. Ostrovsky Yuri Mushketik in the novel “White Shadow” talks about biologists working in the field of plant physiology and seeking to unravel the secrets of photosynthesis. Showing the searches, clashes and thoughts of the heroes, the author raises important questions: about honesty in science, about the thorny roads to real glory. The novel “Cruel Mercy” is dedicated to the events of the Great Patriotic War.