Living Waters: a Guide to Marital Fulfillment (russian) 
Living Waters A Guide to Marital Fulfillment, by Rabbi Michael and Sima Koritz, presents all the laws of family purity in an easy to understand manner.
Written in a warm and "user friendly" tone, Living Waters offers the Russian-speaking world a comprehensive reference constructed of the highest halachic standards. All the expected topics are covered in well organized detail. The book has received praise from leading Rabbis worldwide.
This book is geared for every Jewish family who reads Russian. The readers will find answers to all their questions on family purity. Hardcover.