»Mr Holmes' Advent Calendar Vol. 4« is simply brimming with 24 brand-new solve-it-yourself Christmas crimes for all the family. A story a day throughout the Advent season. Flip the page to see the solution and the next case waiting. Find the murderer or decode a secret message. Can you solve the mystery faster than the legendary master detective? »A great gift idea for all who love crime stories.« - Philea's Blog »Anyone who loves to celebrate the pre-Christmas season and who enjoys the beautiful details of this time of year is well served with this Advent calendar.« - Literaturjunkie (Blog) »The authors of the calendar have developed these little stories in an entertaining, humorous and clever way, in a suitably old-fashioned style with contemporary language and an atmospheric setting, without disregarding the playful relationship between the main characters.« - Erlanger Nachrichten (newspaper)