The sentence describes a person’s engagement in the creation of an activity book centered around puzzles. The activity involves the development, compilation, or design of various puzzle types intended for recreational or educational purposes. For instance, she might be crafting crossword puzzles, sudoku, or word searches for inclusion in the book.
Such endeavors offer several benefits. The activity encourages creative thinking and problem-solving skills in the individual undertaking it. Furthermore, the resulting product can provide entertainment and cognitive stimulation for its users. Historically, puzzle books have served as a popular form of leisure activity, contributing to mental acuity and stress reduction.