Henry and Sandra appear in other short works, each a mixture of thrills and mystery. Their characters are gradually fleshed out in these subsequent writings, with Henry proving to be ever more incredibly talented. Not only was he the youngest president and an enormously popular one, but in They All Ran After the President's Wife (1996; see separate entry), we learn that he is qualified to fly an experimental SST airliner!

Sandra bears much in common with Clark's other heroines. Like Sandra, they tend to be very beautiful, very intelligent, and very accomplished. They also tend to have high principles and to be independent. Sandra shares in common with Kerry McGrath of Let Me Call You Sweetheart (1995; see separate entry) a history of public service as a lawyer, with Sandra being a public defender and Kerry being a prosecutor. Instead of becoming a member of congress, McGrath...