It pays to book early, and The Travel Corporation’s Trafalgar, Brendan Vacations and Cost Saver trio of brands is making early booking that much sweeter with a Buy One Get One European air deal. This offer ends Sunday, Sept. 25, so you’ll have to act fast in order to have your clients take advantage of the 2016 prices on select Preview Europe & Great Britain 2017 and 2017 Ireland & Scotland Vacation itineraries. Bookings made by this Sunday can receive guarantees 2016 pricing and space on the trip. Guests who pay in full by Jan. 12, 2017 can save an additional 10 percent (land-only) or have the second guest fly free on select identical air-inclusive Preview trips featuring standard Early Payment Discount. A non-refundable deposit is required per booking to lock in the “best price guarantee.” If the trip price is higher when the main brochure is released, Trafalgar, Brendan Vacations or Cost Saver will honor the lower Preview price; if it is lower, the company will refund the difference. As always, past Trafalgar guests receive an extra 5 percent discount. For more information, visit trafalgar.com/usa, brendanvacations.com, or costsaver.trafalgar.com/usa.