Here is the weekly manga sales ranking top 20 for October 20 - 26.

Rank/ This week sales/ Total sales/ Title & vol.
1, 245,740 245,740 Ookiku Furikabutte vol.11
2, 193,139 193,139 Soul Eater vol.13
3, 187,002 187,002 Berserk vol.33
4, 104,379 256,996 Hayate The Combat Butler vol.17
5, *99,820 217,680 Fairy Tail vol.12
6, *95,134 200,648 Kekkaishi vol.22
7, *81,207 173,777 Skip Beat vol.20
8, *73,945 154,992 GANTZ vol.24
9, *70,005 145,352 Inu Yasha vol.55
10, 63,466 144,865 BECK vol.34

11, *63,241 *63,241 Neon Genesis Evangelion: Shinji Ikari Raising Project vol.6
12, *58,417 118,275 Dear Boys ACT II vol.29
13, *55,754 *55,754 Kyou, Koi wo Hajimemasu vol.4
14, *54,470 *54,470 Giant Killing vol.7
15, *52,519 *52,519 Zipang vol.37
16, *50,161 *50,161 Kimi to Boku vol.6
17, *49,366 *49,366 B.O.D.Y. vol.14
18, *45,520 *45,520 Doubt vol.3
19, *44,989 *44,989 Shachou Shima Kousaku vol.1
20, *38,269 *84,767 Sayonara Zetsubou Sensei vol.15

Additional Info
28, *27,847 *27,847 Ga-rei vol.8
30, *26,331 *26,331 Gunslinger Girl vol.10

Source: Oriccon