(* = first edition, + = first US, _ = reprint/reissue)
Feb '96:
Mar '96:
Apr '96:
Nov '96:
Jan '97:
Apr '97:
May '97:
Jul '97:
| Voyager | |||||||||||||
| Hardcover | Paperback | Trade Pbk. | Other | ||||||||||
| Year | New | 1US | Rpt | New | 1US | Rpt | New | 1US | Rpt | New | 1US | Rpt | Total |
| 1995 | 0 | 0 | 0 | 2 | 3 | 1 | 0 | 0 | 2 | 0 | 0 | 0 | 8 |
| 1996 | 1 | 0 | 0 | 1 | 0 | 4 | 0 | 0 | 1 | 0 | 0 | 0 | 7 |
| 1997 | 0 | 0 | 0 | 5 | 0 | 3 | 1 | 0 | 1 | 0 | 0 | 0 | 10 |
| Total Voyager | 1 | 0 | 0 | 8 | 3 | 8 | 1 | 0 | 4 | 0 | 0 | 0 | 25 |
1984:
Feb '84:
1985:
Dec '86:
Jul '87:
Aug '87:
Sep '87:
Mar '88:
Apr '88:
Oct '88:
Dec '88:
Mar '89:
Apr '89:
Jun '89:
Sep '89:
Oct '89:
Nov '89:
Mar '90:
Apr '90:
May '90:
Jul '90:
Sep '90:
Nov '90:
Jan '91:
Feb '91:
Apr '91:
May '91:
Jun '91:
Jul '91:
Sep '91:
Nov '91:
Mar '92:
Apr '92:
May '92:
Jun '92:
Jul '92:
Sep '92:
Oct '92:
Jan '93:
Apr '93:
Jun '93:
Aug '93:
Sep '93:
Oct '93:
Nov '93:
Feb '94:
Mar '94:
May '94:
Jun '94:
Aug '94:
Oct '94:
Dec '94:
Mar '95:
May '95:
Jun '95:
Aug '95:
Oct '95:
Apr '96:
1997:
Sep '97:
Apr '98:
| Walker | |||||||||||||
| Hardcover | Paperback | Trade Pbk. | Other | ||||||||||
| Year | New | 1US | Rpt | New | 1US | Rpt | New | 1US | Rpt | New | 1US | Rpt | Total |
| 1984 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
| 1985 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| 1986 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| 1987 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 |
| 1988 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 |
| 1989 | 11 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 15 |
| 1990 | 8 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 12 |
| 1991 | 9 | 0 | 0 | 1 | 0 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 19 |
| 1992 | 6 | 1 | 0 | 1 | 0 | 5 | 2 | 0 | 0 | 0 | 0 | 0 | 15 |
| 1993 | 3 | 0 | 0 | 0 | 0 | 5 | 2 | 0 | 0 | 0 | 0 | 0 | 10 |
| 1994 | 3 | 0 | 1 | 0 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 7 |
| 1995 | 3 | 0 | 0 | 0 | 0 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 10 |
| 1996 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| 1997 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
| 1998 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| Total Walker | 59 | 1 | 1 | 2 | 0 | 39 | 5 | 0 | 0 | 0 | 0 | 0 | 107 |
1985:
| Walker and Company | |||||||||||||
| Hardcover | Paperback | Trade Pbk. | Other | ||||||||||
| Year | New | 1US | Rpt | New | 1US | Rpt | New | 1US | Rpt | New | 1US | Rpt | Total |
| 1985 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
Oct '89:
| Walker Millenium | |||||||||||||
| Hardcover | Paperback | Trade Pbk. | Other | ||||||||||
| Year | New | 1US | Rpt | New | 1US | Rpt | New | 1US | Rpt | New | 1US | Rpt | Total |
| 1989 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
Apr '87:
Apr '88:
Sep '88:
| Walker Millennium | |||||||||||||
| Hardcover | Paperback | Trade Pbk. | Other | ||||||||||
| Year | New | 1US | Rpt | New | 1US | Rpt | New | 1US | Rpt | New | 1US | Rpt | Total |
| 1987 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| 1988 | 2 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 |
| Total Walker Millennium | 3 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 |
1997:
Nov '97:
Jul '98:
| Walker UK | |||||||||||||
| Hardcover | Paperback | Trade Pbk. | Other | ||||||||||
| Year | New | 1US | Rpt | New | 1US | Rpt | New | 1US | Rpt | New | 1US | Rpt | Total |
| 1997 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
| 1998 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| Total Walker UK | 0 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 3 |
Nov '86:
| Walker/Millennium | |||||||||||||
| Hardcover | Paperback | Trade Pbk. | Other | ||||||||||
| Year | New | 1US | Rpt | New | 1US | Rpt | New | 1US | Rpt | New | 1US | Rpt | Total |
| 1986 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |