Masterworks of the Russian Orthodox Church collects together six of Tchaikovsky's most outstanding sacred choral settings in a single edition. This is an invaluable addition to the chamber choir repertoire and includes singing English translations and transliterations of the original text, with a pronunciation guide for the Russian.  
Faber's Choral Programme Series is now a well-established programming tool for many choirs as it offers a wealth of fresh material from many eras and in many styles.