The monograph comprehensively examines the theoretical and practical problems associated with the peculiarities of transactions in the field of inheritance law. The work reflects modern doctrines and concepts in the field of inheritance. The comparative legal analysis of the legislation of foreign countries is given, the notarial and judicial practice is generalized. The concept of transactions in the field of inheritance law is formulated, their features are defined. Particular attention is paid to the classification of transactions committed by inheritance. The agreement on changing the order of obtaining the right to inherit, the agreement on changing the share in the inheritance of the heir at law and the inheritance agreement are considered. Controversial issues of inheritance law are highlighted, suggestions for improving the legislation are given. The book is intended for a wide range of readers: law students, graduate students, teachers, scientists, legal practitioners and anyone interested in inheritance law.