start month end month                                          cover                                           spine                            indicia                                       masthead  number of issues
0   summer - 52  feb - 55                                      fantastic                                       fantastic                          fantastic                                      fantastic                16
1      apr - 55  oct - 55                    fantastic science - fiction                                       fantastic                          fantastic                                      fantastic                 4
2      dec - 55  dec - 55                                      fantastic                                       fantastic                          fantastic                                      fantastic                 1
3      feb - 56  aug - 56                    fantastic science - fiction                                       fantastic                          fantastic                                      fantastic                 4
4      oct - 56  oct - 56                                      fantastic                                       fantastic                          fantastic                                      fantastic                 1
5      dec - 56  sep - 57                    fantastic science - fiction                                       fantastic                          fantastic                                      fantastic                 9
6      oct - 57  feb - 58                      fantastic science fiction                                       fantastic                          fantastic                                      fantastic                 5
7      mar - 58  aug - 59                                      fantastic                                       fantastic                          fantastic                                      fantastic                18
8      sep - 59  dec - 59              fantastic science fiction stories                                       fantastic  fantastic science fiction stories              fantastic science fiction stories                 4
9      jan - 60  sep - 60              fantastic science fiction stories               fantastic science fiction stories  fantastic science fiction stories              fantastic science fiction stories                 9
10     oct - 60  jun - 65               fantastic stories of imagination                fantastic stories of imagination                          fantastic               fantastic stories of imagination                57
11     sep - 65  dec - 69            fantastic science fiction - fantasy                               fantastic stories                          fantastic            fantastic science fiction - fantasy                26
12     feb - 70  apr - 71    fantastic stories science fiction - fantasy                               fantastic stories                          fantastic            fantastic science fiction - fantasy                 8
13     jun - 71  apr - 72    fantastic stories science fiction & fantasy                               fantastic stories                          fantastic    fantastic stories science fiction & fantasy                 6
14     jun - 72  jun - 72    fantastic stories science fiction & fantasy     fantastic stories science fiction & fantasy                          fantastic    fantastic stories science fiction & fantasy                 1
15     aug - 72  aug - 72    fantastic stories science fiction & fantasy                               fantastic stories                          fantastic    fantastic stories science fiction & fantasy                 1
16     oct - 72  feb - 75    fantastic stories science fiction & fantasy     fantastic stories science fiction & fantasy                          fantastic    fantastic stories science fiction & fantasy                14
17     apr - 75  jun - 77  fantastic stories sword & sorcery and fantasy  fantastic stories swords & sorcery and fantasy                          fantastic    fantastic stories science fiction & fantasy                11
18     sep - 77  oct - 78                              fantastic stories                               fantastic stories                          fantastic  fantastic stories sword & sorcery and fantasy                 5
19     jan - 79  jan - 79    fantastic stories science fiction & fantasy     fantastic stories science fiction & fantasy                          fantastic    fantastic stories science fiction & fantasy                 1
20     apr - 79  oct - 80                      fantastic science fiction                               fantastic stories                          fantastic                      fantastic science fiction                 7

Table as JSON:
{"start month":{"0":"summer - 52","1":"apr - 55","2":"dec - 55","3":"feb - 56","4":"oct - 56","5":"dec - 56","6":"oct - 57","7":"mar - 58","8":"sep - 59","9":"jan - 60","10":"oct - 60","11":"sep - 65","12":"feb - 70","13":"jun - 71","14":"jun - 72","15":"aug - 72","16":"oct - 72","17":"apr - 75","18":"sep - 77","19":"jan - 79","20":"apr - 79"},"end month":{"0":"feb - 55","1":"oct - 55","2":"dec - 55","3":"aug - 56","4":"oct - 56","5":"sep - 57","6":"feb - 58","7":"aug - 59","8":"dec - 59","9":"sep - 60","10":"jun - 65","11":"dec - 69","12":"apr - 71","13":"apr - 72","14":"jun - 72","15":"aug - 72","16":"feb - 75","17":"jun - 77","18":"oct - 78","19":"jan - 79","20":"oct - 80"},"cover":{"0":"fantastic","1":"fantastic science - fiction","2":"fantastic","3":"fantastic science - fiction","4":"fantastic","5":"fantastic science - fiction","6":"fantastic science fiction","7":"fantastic","8":"fantastic science fiction stories","9":"fantastic science fiction stories","10":"fantastic stories of imagination","11":"fantastic science fiction - fantasy","12":"fantastic stories science fiction - fantasy","13":"fantastic stories science fiction & fantasy","14":"fantastic stories science fiction & fantasy","15":"fantastic stories science fiction & fantasy","16":"fantastic stories science fiction & fantasy","17":"fantastic stories sword & sorcery and fantasy","18":"fantastic stories","19":"fantastic stories science fiction & fantasy","20":"fantastic science fiction"},"spine":{"0":"fantastic","1":"fantastic","2":"fantastic","3":"fantastic","4":"fantastic","5":"fantastic","6":"fantastic","7":"fantastic","8":"fantastic","9":"fantastic science fiction stories","10":"fantastic stories of imagination","11":"fantastic stories","12":"fantastic stories","13":"fantastic stories","14":"fantastic stories science fiction & fantasy","15":"fantastic stories","16":"fantastic stories science fiction & fantasy","17":"fantastic stories swords & sorcery and fantasy","18":"fantastic stories","19":"fantastic stories science fiction & fantasy","20":"fantastic stories"},"indicia":{"0":"fantastic","1":"fantastic","2":"fantastic","3":"fantastic","4":"fantastic","5":"fantastic","6":"fantastic","7":"fantastic","8":"fantastic science fiction stories","9":"fantastic science fiction stories","10":"fantastic","11":"fantastic","12":"fantastic","13":"fantastic","14":"fantastic","15":"fantastic","16":"fantastic","17":"fantastic","18":"fantastic","19":"fantastic","20":"fantastic"},"masthead":{"0":"fantastic","1":"fantastic","2":"fantastic","3":"fantastic","4":"fantastic","5":"fantastic","6":"fantastic","7":"fantastic","8":"fantastic science fiction stories","9":"fantastic science fiction stories","10":"fantastic stories of imagination","11":"fantastic science fiction - fantasy","12":"fantastic science fiction - fantasy","13":"fantastic stories science fiction & fantasy","14":"fantastic stories science fiction & fantasy","15":"fantastic stories science fiction & fantasy","16":"fantastic stories science fiction & fantasy","17":"fantastic stories science fiction & fantasy","18":"fantastic stories sword & sorcery and fantasy","19":"fantastic stories science fiction & fantasy","20":"fantastic science fiction"},"number of issues":{"0":16,"1":4,"2":1,"3":4,"4":1,"5":9,"6":5,"7":18,"8":4,"9":9,"10":57,"11":26,"12":8,"13":6,"14":1,"15":1,"16":14,"17":11,"18":5,"19":1,"20":7}}