The Collector Natalya Semenova and André Deloque's fascinating biography of Russian art collector Sergey Shchukin released for UK and US by Yale University Press as The CollectorThe Story of Sergei Shchukin and His Lost Masterpieces

The book is available in all major bookstores and online: https://www.amazon.com/Collector-Story-Sergei-Shchukin-Masterpieces/