Here is the weekly manga sales ranking for February 15th - 21st.

*1, 306,456 306,456 Detective Conan vol.67
*2, 199,789 199,789 Ahiru no Sora vol.26
*3, 148,228 148,228 Mahou Sensei Negima! vol.29
*4, 147,975 147,975 Kekkaishi vol.28
*5, 128,674 128,674 Skip Beat! vol.24
*6, 106,683 106,683 Bloody Monday Season 2 vol.2
*7, *95,209 *95,209 History's Strongest Disciple Kenichi vol.37
*8, *95,209 *95,209 Dear Boys Act III vol.3
*9, *77,951 *77,951 Zettai Karen Children vol.20
10, *76,167 *76,167 Area no Kishi vol.19

11, *65,059 *65,059 Pride vol.12
12, *64,690 *64,690 Liar Game vol.11
13, *62,905 *62,905 Otomen vol.10
14, *62,119 *62,119 Rozen Maiden vol.3
15, *61,428 *61,428 Sayonara Zetsubou Sensei vol.20
16, *53,984 *53,984 Kimi no Iru Machi vol.8
17, *51,806 *51,806 Boku wo Tsutsumu Tsuki no Hikari vol.8
18, *51,039 *51,039 Gekkou Jourei vol.8
19, *50,567 *50,567 Code:Breaker vol.9
20, *48,384 *91,266 Yamato Nadeshiko Shichi Henge vol.25

21, *47,975 624,629 Bleach vol.43
22, *44,335 *91,487 Tonari no Kaibutsukun vol.4
23, *40,364 *40,364 Mahou Sensei Negima! vol.29 with drama CD
24, *39,737 *39,737 Real Clothes vol.9
25, *38,315 *68,889 Costume Play Animal vol.13
26, *36,714 *36,714 Alive vol.20
27, *36,566 *36,566 Cage of Eden vol.6
28, *36,410 *36,410 Hanagata vol.17
29, *35,396 *35,396 Q.E.D. Shomei Shuryo vol.35
30, *35,061 *69,858 Kinkyori Renai vol.6

Source: Oricon Manga Ranking
Japan's Weekly Manga Ranking for Feb 8 - 14

Weekly Light Novel Ranking for Feb 15 - 21
*1, 28,015 *36,500 Kuruneko vol.5
*2, 19,851 *23,194 Uchi no 3 Shimai vol.2
*3, 14,062 *88,237 Durarara!! vol.1
*4, 12,336 *13,422 Fukinshin de Amai Zanzo
*5, 11,585 *64,281 Durarara!! vol.2
*6, 10,107 *53,571 Durarara!! vol.3
*7, *9,192 *45,446 Durarara!! vol.4
*8, *9,139 *56,270 Spice and Wolf vol.14
*9, *8,827 *53,235 Durarara!! vol.7
10, *8,102 *11,244 Shinigami Hime no Saikon
11, *7,785 *58,444 Durarara!! vol.5
12, *7,719 144,793 Baka to Test to Shoukanjuu vol.1

Source: Oricon Novel Ranking