Human-alien encounters

1937 • 2 Readers • 156 pages • 5

1999 • 8 Readers • 694 pages • 2.7

2001 • 1 Reader • 458 pages • 4

2013 • 4 Readers • 400 pages • 3

2001 • 268 Readers • 694 pages • 3.1

2008 • 1 Reader • 438 pages

1997 • 1 Reader • 389 pages

2003 • 7 Readers • 4

2018 • 1 Reader • 204 pages • 4

2006 • 3,055 Readers • 400 pages • 3.9

2006 • 6 Readers • 182 pages • 2

2010 • 880 Readers • 604 pages • 4.4

2016 • 1 Reader • 480 pages

1981 • 1 Reader • 324 pages

1977 • 4 Readers • 254 pages

2001 • 1 Reader • 230 pages

2016 • 116 Readers • 3.8

1983 • 2 Readers • 317 pages

2000 • 507 Readers • 370 pages • 3.3

1971 • 2 Readers • 160 pages

2001 • 1 Reader • 283 pages • 3

2020 • 33 Readers • 608 pages • 3.6

2002 • 153 Readers • 708 pages • 4

2013 • 2 Readers • 375 pages • 5

1984 • 8 Readers • 222 pages • 4

2019 • 15 Readers • 212 pages • 4

2018

2016 • 60 Readers • 305 pages • 3.8

1976 • 10 Readers • 185 pages • 3.8

2018

2000 • 5 Readers • 572 pages • 5

2014 • 54 Readers • 414 pages • 3.9

2017

2019 • 115 pages

2017 • 1 Reader • 158 pages

2018 • 1 Reader • 119 pages • 5

1997 • 122 Readers • 3.3

2017 • 7 Readers • 332 pages • 4.5

1982 • 1 Reader • 150 pages

1975 • 258 Readers • 294 pages • 3.9

1953 • 691 Readers • 212 pages • 4

1997 • 2 Readers • 288 pages • 3

2013 • 105 Readers • 352 pages • 4

2000 • 33 Readers • 512 pages • 3.9

2015 • 2 Readers • 5

2005 • 175 Readers • 528 pages • 4.1

2014 • 23 Readers • 352 pages • 3.7

2002 • 1 Reader • 436 pages

2017 • 90 pages

2019 • 1 Reader • 136 pages

2007 • 5 Readers • 526 pages • 4

1983 • 109 Readers • 498 pages • 4.1

2011 • 1 Reader • 220 pages

1984 • 6 Readers • 470 pages • 4

1999 • 2 Readers • 308 pages

1978 • 14 Readers • 3.7

2004 • 1 Reader • 186 pages • 5

2008 • 83 Readers • 713 pages • 4.1

1980 • 1 Reader • 184 pages

1974 • 339 Readers • 3.8

1986 • 1 Reader • 394 pages • 2

1951 • 77 Readers • 3.4

1898 • 1 Reader • 280 pages • 4