Page 1 is a single side.
then the double page spreads (the spine is right down the middle of the pages
page 2 3
page 4 5
6 7
8 9
10 11
12 13
14 15
16 17
18 19
20 21
22 23
24 25
26 27
28 29
30 31
32 33
34 35
36 37
38 39
40 41
42 43
44 45
page 46
