Here's an icon of Czech modernist avant-garde book design
150,000,000, originally published in Russian in 1919, was an epic agitprop poem by Vladimir Mayakovsky, an active supporter of the Bolshevik government and one of the leading exponents of Russian Futurism.
The first Czech edition, published by Petr, Prague in 1925, featuring cover design by Václav Mašek.