``An introduction to homological algebra''
And in case you missed the movie, here's the visual proof of the
Snake Lemma!
Thanks for corrections go to:
O.Gabber, R.Thomason, L.Roberts, S.Geller, G.Peschke, R.Vogt,
B.Keller, P.Gaucher, G.Vezzosi, S.Myung, I.Ivanov, J.Moller,
J.Soto, B.Koeck, A.Pirkovskii, R.Chapman, A.Brooke-Taylor, C.Mazza,
G.Cortiñas, L.Hesselholt, V.Costeanu, J.Morales, P.Polo,
G.Wiese, Y.Zhang, J.Berrick, M-F Lim, Y.Zhang, A.Heider, Y.Flicker,
M.Raggi, C.Wilkerson, P.Reinhard, R.Cheung, J.Burman, K.Schwede,
A.Milas, P.Hackney, P.Zheng, A.Lahtinen, B.Williams, J.Lee,
C.Aholt, A.Garcia-Raboso, M.Walker, J.Hornbostel, CL Zhong,
C.Haesemeyer, T.Keller, P.Hackney, A.Buch, A.Koerschgen,
F.Perroni, F.Catanese, J. Polak, H. Nuer, P.Brosnan, Y.Guerboussa,
J.Laubacher, T.Chansler, P.Nicodemus, D.Green, J.Avila, I.Coley,
R.Anderson, ...