The Boyfriend by Thomas Perry Mysterious Press, $25.00, 298 pages, ISBN 978-0-8021-2606-1 There are people in the world who are so expert in their chosen fields of work that they have the skill and the ability to make the most difficult tasks look easy.  You know the ones I mean: the accountant who takes the most insurmountable stack of receipts and sloppy bookkeeping and turn them into an on-time,