Each puzzle has over 150 words per puzzle with no words over 7 letters which makes this puzzle book more challenging. All puzzles have a 3-letter starter word. Size is 8.5" x 11" with 21 x 21 grid. This is NOT large print and is NOT spiral bound. DIFFICULTY LEVEL: Medium to challenging depending on your level of expertise. These puzzles are NOT large print. These puzzles are NOT spiral bound.