The book is a nightmare. Here are the locs i've found and guildies and others passed along. Almost seems random but there are some recurring ones that I noticed. The 'book' one is the rare item. You'll have 25 of some of them before you'll get one 'book'. freaking nightmare.
3100, 86, -60
-1880, 1920, -86
-1830, 2030, -84
2935, 1426, 47
-373, 1602, -35
-2007, 2026, -70
-1927, 1663, -82
2624, -164, -98
1919, 55, 35
3008, 1300, 26
-1362, 2436, -15
-762, 1594, -14
1019, 2282, 64
-933, 2272, -35
-2985, 2106, 4
-1833, 2021, -81
-2774, 2458, -29
3106, -146, -65
1208, -266, 69
1747, 2020, 62
-1050, 878, 3
-2138, 2216, -6
-2877, 2067, 5
2933, 896, 38
-2147, 2197, -20
-1429, 1167, -57
-2214, 2205, 6
-270, 2454, -31
1203, -258, 69
2334, 2293, 43
-1536, 1236, -36
-1777, 1736, 62
-2684, 2628, 84