Gems and Stones [GYOK-5-005P]
Similar Puzzle Books
Grid Placement Logic Puzzles – Collection I
US, CA; UK, DE, FR, ES, IT, other 
Puzzles in this book: Star Battle, Lighthouses, Slant, Hakoiri, Not as Easy as ABC
US, CA; UK, DE, FR, ES, IT, other
Puzzles in this book: Star Battle, Lighthouses, Slant, Hakoiri, Not as Easy as ABC