Mikhail Zinar's Difficult Pawn Endings , compiled by Sergei Tkachenko and published by Elk and Ruby in 2018, is a collection of 100 complex pawn endgame studies from the renowned composer. It covers advanced concepts like corresponding squares and pawn asymmetry, making it ideal for intermediate to advanced players, say.
You can purchase the book through retailers like Elk and Ruby or download a digital copy from Forward Chess . Mikhail Zinar's Difficult Pawn Endings - Forward Chess Mikhail Zinar's Difficult Pawn Endings , compiled by