Each puzzle has over 140 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. This puzzle book is NOT large print. This puzzle book is NOT spiral bound.