On the title page opposite the pub info (image right, click to enlarge), there is a mysterious description of the book -- भगवान् श्री द्वारा कपिल-कुसुम को लिखे गये २७ पत्रों का संकलन -- which indicates that there are only 27 letters, not 68. Will inquire. -- doofus-9 17:05, 24 September 2018 (UTC)