Murder Among Friends, by Lange Lewis (epub/Kindle/pdf)
This is a tale of tragedy and terror invading the pleasant life of a big coeducational medical college. It is exactly what the title says -- murder among friends. For they were all friends, a little group of intimates who were drawn to lovely, sparkling Garnet Dillon, secretary to the Dean. Then disaster struck -- struck like a great tidal wave of horror, leaving five murders and a gripping fear in its wake. But Detective Tuck knew that in this seething maze of clues and circumstances there must be an answer...