The Department D-3 series consist of 2 books .

• Department D-3 Series Order

We get the question all the time "What order should I read the Department D-3 series?". We would recommend you read the Department D-3 series in order by series number which is:
• 2.   Canadian Patent Law And Practice [Microform] Book
• 3.   Merrivale, March And Murder (Library Of Crime Classics) Book