Reserve your personal copies plus the 99 key takeaways incl. worksheets - mix them, baby: 3 x EN, 3 x DE, 1 EN 2 DE, 2 EN 1 DE
With the purchase of the books you support the NGO for the homeless community
I never thought about my product to be resilient for my future customers.
Dr. Nico Herzberg from Campeleon