Crosswords 15x15 in a small size

A 15x15 grid became one of the most recognizable print formats worldwide, it's spacious enough for interesting words, and it still only takes one sitting to finish, unlike the larger grids. Compared with the mini format, there's noticeably more room here for thematic words and less obvious crossings, which is exactly why this size became one of the most recognizable formats in print crossword history.