CHF 10 discount on all books from a minimum purchase of CHF 50 
Voucher can only be redeemed once in the Balmer bookshop Zug/Zugerland on presentation of the voucher. Not cumulative and cannot be exchanged for cash. Not redeemable online. Valid only for books, except: Already reduced items, vouchers and gift cards, eBook readers, eBooks and school books/teaching materials/continuations.