"Why do slugs cry" is a book of light science and humor by the famous Ukrainian science popularizer Roman Skrypin. In this book, the author talks about the most interesting natural and scientific phenomena, using a non-standard approach and humor. Answers questions that only slimes can think of. The book is filled with interesting facts, interesting experiments and unexpected conclusions, which makes it an exciting read for both adults and children. "Why do slugs cry" is a source of new knowledge that is easily learned thanks to the author's easy style and his talent as a storyteller.