The book "Preservation of the Integrity of Electronic Records" by Terry Eastwood, Luciana Duranti, and Heather MacNeil offers a comprehensive analysis of the challenges and solutions regarding the integrity of active and semi-active electronic records. Based on the findings of the UBC project conducted between 1994 and 1997, the work highlights the fundamental issues arising from the rapid development of computer technology. The authors examine the necessity of distinguishing between records and non-recordable material, and address the authenticity of records. The book is a valuable resource for professionals in the fields of archiving and document management who are dealing with the complex aspects of electronic preservation.