In eight sections you will find 273 two-movers, 241 three-movers, 159 moremovers, 227 endgame studies, 400 helpmates, 215 selfmates, 357 fairy compositions and 112 retros.
Each chess problem has been selected by a panel of judges and commented on by experts. Besides that, many pages of indexes and definitions.
Can't find a better book for chess solving training or enjoying chess problems.