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Saturday 6 December 1969 340th day - 25 days to come

Rcd. a copy of PSYCHEDELIC-9 from Joe Weisbecker, together with a letter thanking me for the write up on DECISIONS-DECISIONS and a reprint from Mathematics Magazine entitled "Mathematical Theory of THINK-A-BOT".

Called Bob Abbott, to tell him about Nov. SCIENTIFIC AMERICAN and to say I have a book for him. He has both already. I'll give him another copy of AGOG when I see him. He invited us for dinner but I didn't set a date, pleading the pleas pressure of correspondence, etc. His wife Marian (?) said she is not a game fan but she really enjoyed PATTERNS.

Called Martin Gardner to check about the letters he was going to send me. So far there are only two of interest to me. He has rcd. quite a few answers to his puzzle. He is expecting another batch from SCIENTIFIC AMERICAN in a few days and will then send those that concern me on to me.

Started writing a new introduction for Alex Radolph's KNIGHT CHASE.

Played COUNTERPOINT with Clara Karlan & Helen Sternberd using the ideas of 12/2 & 12/3. The game was very defensive with each player blocking the other by putting the same color at the two places (when the opponent was in a double threat illegible position) which the player could score in and then keeping that color. Tried allowing a player to use any two colors, except the one the previous player is holding, and was not being forced to use the one he previously kept. This was even worse.

Claude called. Nothing specific about games.

Ida Goldstein, a fellow worker at the navy yard called to tell me of a listing of AGOG in today's N.Y> POST. Found it the and cut it out.

(cont. from 12/10) [12/10]

We decided that I will do reviews of LENSMAN, QUADS, VECTOR, & DYNASTY for my next column.