The AGA is publishing books for members to help improve skills and playing strength. The books have been created by members of the AGA and are provided free of charge however if you wish to help the AGA and get more books, please consider making a donation – as little as $2 or as much as you wish using the PayPal link below
Double Trouble Vol. 1
The problems in Double Trouble Volume 1 are for SDK and DDK players. There is also some sage advice on solving life and death problems and improving your strength.
Get your copy here