YOUTH tour operator Topdeck has unveiled a pre-release Europe Summer program for 2018 featuring 33 top selling trips, available at the 2017 prices plus a 15% early booking discount.The above snippet is the first part of an article sent to subscribers in Travel Daily's issue from 22 Jun 17 To see the full story, see the embedded issue below or CLICK HERE to download Travel Daily from 22 Jun 17