The book introduces children to the history and architecture of St. Petersburg in a fascinating form of entertaining stories and walks around the city. Young readers are invited to perform interesting tasks directly in the book and answer questions, the answers to which consolidate the acquired information. The book is beautifully illustrated with drawings, engravings, photographs and maps of the city with possible walking routes. At the end of the book, the medal of the "Connoisseur of St. Petersburg" awaits all those who have coped.