Consider by Fichtenholz (Фихтенгольц). It is a three-volume behemoth. It contains no hand-holding. It begins with the rigorous definition of a limit using epsilon-delta—the very thing that makes freshman calculus students weep. While American textbooks hide the rigor in appendices, Fichtenholz leads with it.
Of course, this system has flaws. The Russian method produces geniuses, but it also produces burnout. The books assume a level of stamina that most teenagers don't have. They are fantastic for the top 5% of students and devastating for the rest. russian math books
This is intentional. Lev Pontryagin, a great Soviet mathematician who was blind, argued that visual crutches weaken mathematical ability. By stripping away the art, the Russian book forces you to build the image in your mind. It turns the reader from a spectator into an architect. Consider by Fichtenholz (Фихтенгольц)
Theory is often taught through a sequence of increasingly difficult problems. It begins with the rigorous definition of a
Have you survived the "Kiselev" treatment? Share your war story in the comments.