A lower number means a better rank. The rank is not a number of copies sold.

Rank by category
CategoryRankOver 7 daysData as of
Pure Mathematics24Gained 177 places in 7 daysOctober 29, 2026 at 9:41 a.m.
Mathematics41Gained 295 places in 7 daysOctober 29, 2026 at 9:41 a.m.