Alexander Leos has Attention Deficit Hyperactivity Disorder (ADHD). There are definite negative effects of this disorder but on the plus side, it contributes to the tremendous pleasure he gives to all that come in contact with him. Over the years his antics have brought considerable laughter to his family and others. "Grandpa's Enigma" is his grandfather's attempt to share with you the humor that Alex, almost entirely inadvertently, has given him.

If, in addition, the reader gains a better appreciation of ADHD and how it may be dealt with, we would be most pleased; however, it was never...