The game's ahoof with Sherlock Hereford and John Mooson as they seek to discover the cause of the open barn door and calm the barnyard residents. 

SYNOPSIS:

When the farm animals realize the barn door was left open, they fear the worst. An unfriendly visit from the wolf would disturb their peaceful home. John Mooson and Sherlock Hereford are on the job. They go to the inspector for help in finding out what happened. By using deductive reasoning they discover the answer and are relieved that their home is safe again.

STOCKLAND YARD - THE CASE OF THE OPEN BARN DOOR (JUVENILE LITERATURE)