I personally recommend all of the books below. I have bought them myself and enjoyed completing them.
Clicking on a book will open Amazon in a new window, where you can purchase the recommended book, and search for more options.
If you have any books to recommend to me, please contact me.
KENKEN
NONOGRAMS / O’EKAKI/ PICROSS
[Learn more about nonograms / o’ekaki / picross]
PRISMAPIXELS / PAINTDOKU
[Learn more about prismapixels / paintdoku]
CRYPTOGRAMS
[Learn more about cryptograms]
KAKURO
HIDATO
SUDOKU
VARIETY