"Tarzan of the Apes", by Edgar Rice Burroughs

 Rank  Occurances  Percentage    1-tuple
       (of 85627)
   1       6375    7.4450816%    the
   2       2853    3.3318930%    of
   3       2813    3.2851787%    and
   4       2049    2.3929368%    to
   5       1779    2.0776157%    a
   6       1750    2.0437479%    he
   7       1347    1.5731019%    his
   8       1228    1.4341271%    was
   9       1197    1.3979236%    in
  10       1036    1.2098987%    that
  11       1027    1.1993880%    had
  12        886    1.0347204%    it
  13        784    0.9155991%    for
  14        691    0.8069884%    with
  15        657    0.7672813%    but
  16        651    0.7602742%    as
  17        604    0.7053850%    her
  18        574    0.6703493%    tarzan
  19        528    0.6166279%    him
  20        524    0.6119565%    you
  21        522    0.6096208%    they
  22        521    0.6084529%    she
  23        504    0.5885994%    i
  24        486    0.5675780%    not
  25        463    0.5407173%    from
  26        427    0.4986745%    upon
  27        397    0.4636388%    at
  28        369    0.4309388%    which
  29        358    0.4180924%    were
  30        335    0.3912317%    so
  31        334    0.3900639%    their
  32        319    0.3725460%    by
  33        306    0.3573639%    one
  34        302    0.3526925%    have
  35        296    0.3456854%    them
  36        292    0.3410139%    little
  37        284    0.3316711%    on
  38        273    0.3188247%    be
  39        271    0.3164890%    this
  40        266    0.3106497%    clayton
  41        264    0.3083140%    man
  42        259    0.3024747%    could
  43        257    0.3001390%    would
  44        255    0.2978033%    an
  45        250    0.2919640%    been
  46        245    0.2861247%    then
  47        245    0.2861247%    is
  48        240    0.2802854%    there
  49        237    0.2767819%    great
  50        233    0.2721104%    into
  51        229    0.2674390%    when
  52        225    0.2627676%    jungle
  53        224    0.2615997%    all
  54        215    0.2510890%    no
  55        203    0.2370748%    did
  56        198    0.2312355%    or
  57        190    0.2218926%    before
  58        186    0.2172212%    darnot
  59        184    0.2148855%    now
  60        180    0.2102141%    who
  61        174    0.2032069%    more
  62        173    0.2020391%    what
  63        172    0.2008712%    said
  64        167    0.1950319%    apes
  65        164    0.1915284%    jane
  66        161    0.1880248%    we
  67        159    0.1856891%    back
  68        156    0.1821855%    men
  69        153    0.1786820%    cabin
  70        147    0.1716748%    toward
  71        145    0.1693391%    out
  72        144    0.1681713%    about
  73        142    0.1658355%    me
  74        142    0.1658355%    do
  75        140    0.1634998%    professor
  76        140    0.1634998%    porter
  77        138    0.1611641%    up
  78        134    0.1564927%    through
  79        133    0.1553248%    my
  80        131    0.1529891%    mr
  81        129    0.1506534%    are
  82        128    0.1494856%    two
  83        125    0.1459820%    if
  84        121    0.1413106%    saw
  85        120    0.1401427%    some
  86        118    0.1378070%    came
  87        118    0.1378070%    again
  88        116    0.1354713%    only
  89        113    0.1319677%    other
  90        112    0.1307999%    where
  91        111    0.1296320%    your
  92        111    0.1296320%    time
  93        110    0.1284642%    than
  94        108    0.1261284%    eyes
  95        107    0.1249606%    strange
  96        104    0.1214570%    though
  97        102    0.1191213%    never
  98        101    0.1179534%    know
  99        101    0.1179534%    here
 100        101    0.1179534%    first