53*n

build up your chess: 2 - yusupov

chess developments: semi-slav 5 bg5 - paulsen

dangerous weapons: the nimzo-indian - emms

khalifman: life and games - nesis

kotronias on the king's indian: mar del plata ii, vol. 3 - kotronias

the ...a6 slav: the dynamic lines with an early ...a6 - flear

dangerous weapons: the king's indian - palliser, flear and dembo

gambit busters - collins

taimanov's selected games - taimanov

who dares wins: attacking the king on opposite sides - d'costa

tactimania - flear

dangerous weapons: the french - watson

surprise in chess - avni

queen's indian: move by move - d'costa

in the zone - lakdawala

dangerous weapons: the dutch - palliser, williams, vigus

declining the queen's gambit - cox

capablanca: my chess career, chess fundamentals & a primer of chess - capablanca

play the najdorf: scheveningen style - emms

starting out: the pirc/modern - gallagher