Here are the weekly manga & light novels rankings for April 4th - 10th.

Manga
*1, 314,393 *,314,393 Gintama vol.39
*2, 266,812 *,266,812 Shingeki no Kyojin vol.4
*3, 235,952 *,235,952 Ouran High School Host Club vol.18
*4, 177,168 *,177,168 Worst vol.26
*5, 175,531 *,175,851 Toriko vol.14
*6, 141,519 *,141,809 Ao no Exorcist vol.6
*7, 139,022 *,139,263 SKET Dance vol.18
*8, *64,650 *,*65,640 Ookami-heika no Hanayome vol.4
*9, *62,865 *,*62,865 Gakuen Babysitters vol.3
10, *61,352 *,*61,352 Drop vol.13

11, *58,878 *,*58,878 Hanma Baki vol.28
12, *53,692 *,*53,692 Sengoku Tenshouki vol.10
13, *48,200 *,*48,200 Hapi Mari vol.6
14, *46,181 1,016,056 Kimi ni Todoke vol.13
15, *45,087 *,311,477 Moyashimon vol.10
16, *44,522 *,*44,522 Shinjuku Swan vol.26
17, *43,568 *,389,811 Ookiku Furikabutte vol.16
18, *39,036 *,*39,036 Yozakura Quartet vol.10
19, *38,532 *,*38,532 Omamori Himari vol.8
20, *36,872 *,*36,872 Spice and Wolf vol.6

21, *35,815 *,196,681 Koukou Debut vol.14
22, *31,820 *,138,181 Mahou Shoujo Madoka Magica vol.2
23, *30,958 *,*30,958 Five Star Stories Reboot vol.2
24, *30,274 *,*30,274 Higanjima Saigo no 47 Days vol.2
25, *27,584 *,265,407 Soul Eater vol.19
26, *27,309 *,*27,309 Clover vol.21
27, *26,527 *,*85,436 Sekaiichi Hatsukoi vol.5
28, *25,699 *,130,530 Switch Girl!! vol.15
29, *24,938 *,*24,938 Maken-Ki! vol.6
30, *24,778 *,*25,015 Osama no Shitateya vol.30

Light Novels (and Character books)
*1, 101,356 *,101,356 IS: Infinite Stratos vol.7
*2, *70,429 *,*85,316 Gintama Kaettekita 3 nen Z gumi Ginpachi-sensei Returns vol.1
*3, *50,887 *,*50,887 Sword Art Online vol.7
*4, *42,794 *,*46,769 Gintama Official Animation Guide
*5, *33,272 *,142,915 Hanamonogatari
*6, *28,133 2,020,434 Moshidora
*7, *23,276 *,*23,276 Denpa Onna to Seishun Otoko vol.8
*8, *22,321 *,*29,733 Boku, Otaryman vol.5
*9, *18,858 *,*18,858 Denpa Onna to Seishun Otoko vol.1 SF Edition
10, *17,118 *,*32,029 Evangelion Official Guide Book
11, *14,338 *,180,637 One Piece Strong Words vol.1
12, *13,600 *,*41,931 Kuruneko vol.7
13, *13,283 *,*13,283 Goshujin-sama wa Yamaneko Hime vol.7
14, *12,045 *,*46,528 Delfinian War vol.2
15, *11,185 *,*11,185 Fate/zero New Edition vol.4
16, *10,979 *.*10,979 C³ vol.11
17, *10,656 *,*10,656 Rakuin no Monsho vol.8
18, *10,121 *,*10,121 Koharubara Hiyori no Ikusei Nikki vol.3
19, **8,763 *,*47,150 Gosick vol.7
20, **8,545 *,*24,892 Sekaiichi Hatsukoi Yoshino Chiaki no Baai vol.4
21, **7,972 *,**7,972 Rain vol.6
22, **7,285 *,**7,285 Kitakubu no Ace-kun

Sources: Oricon Manga Ranking, Oricon Novel Ranking