briefly, they won with an idea for how people can donate printed books to libraries and schools and receive a voucher for digital content in return. thus, egmont's tradition for charity is combined with the desire to strengthen the digital brand.

Make this proper case.
Briefly, they won with an idea for how people can donate printed books to libraries and schools and receive a voucher for digital content in return. Thus, Egmont's tradition for charity is combined with the desire to strengthen the digital brand.