The book uses sketches, joke tasks and positions of the following authors. M.I. Adabaseea, J.N. Babson, W. Wolf, K. Ganneman, A.I. Gerbstman, D.M. Gorfinkel, Y. Dobrussky, A.P. Dolukhanoyaa, T.R. Dawson, G. Klyuver, M.G. Klyatskin, F.F. Collins, K. Kondelika, V.A. Korolkon, L.I. Kubbel, F. Lazar, A. Lichtenstein, S. Loyd, X. Palizi, G. Reichgelm, R. Reti, A. and K. Sarychev, I. Fisher, V Shinkman, R. Steinwega, I. Shumova, K.F. Janisha, as well as several classical parties and positions.