Quoting from the Nova Development official announcement:
Running Windows on the Mac will get even easier this month, as Parallels Desktop™ for Mac software will be made available at thousands of retail stores nationwide.
Distributed by Calabasas, Calif.-based Nova Development as the exclusive retail publisher, the rollout begins immediately and continues through next month. Parallels Desktop for Mac will be available at The Apple Store, CompUSA, Staples, Office Depot, Fry’s Electronics, Amazon.com, and numerous other software outlets.
Until now, Parallels Desktop for Mac had only been available for purchase online…