Through Oct. 31, 2011, airberlin topbonus members who rent a car with Europcar can earn one topbonus status mile per euro spent in addition to the regular 500 miles they earn. For more information, visit http://www.airberlin.com/topbonus – Other bonuses include double award miles with qualifying Park Inn by Radisson stays between Oct. 1 and Dec. 31, 2011 or double miles through Nov. 30, 2011 for stays at any NH Hotel in Germany, Austria, Switzerland, the Netherlands, Belgium or Italy. For all offers, see the Bonus Bulletin section of this magazine.