As of this morning, it's on sale... "50% off Canvas Art" so $10.99. According to the three reviews, it did have the incorrect code for F, but was fixed. I think it's a nice idea to show visitors or family if they ask about the phonetics used. Can you whistle 30-40 WPM ?? I haven't learned CW yet. Have tried some apps on the phone and a short session with some suggested websites. Of course, it takes practice everyday as I am told.