Dell Pub. Co.

January 1, 1952 • Physical Book • 48 Readers • 342 pages • 3.8

January 1, 1959 • Physical Book • 8 Readers • 319 pages • Format Mass Market Paperback • 4

August 1, 1968 • Physical Book • 5 Readers • 308 pages • Format Mass Market Paperback • 3.9

July 12, 1973 • Physical Book • 4 Readers • 295 pages • Format Mass Market Paperback • 3.9

January 1, 1961 • Physical Book • 3 Readers • 192 pages • Format Mass Market Paperback • 4.2

January 1, 1963 • Physical Book • 2 Readers • 262 pages • Info 6th printing June 1979 • 3.9

January 1, 1982 • Physical Book • 1 Reader • 64 pages

February 1, 1977 • Physical Book • 1 Reader • 316 pages • Format Mass Market Paperback • Info Quantum Science Fiction #4 • 4.3

January 1, 1986 • Physical Book • 1 Reader • 203 pages

January 1, 1986 • Physical Book • 1 Reader • 136 pages • Format Paperback • 5

January 1, 1974 • Physical Book • 1 Reader • 87 pages • 4

April 1, 1981 • Physical Book • 1 Reader • 1,380 pages • Format Mass Market Paperback • 4.2

January 1, 1971 • Physical Book • 1 Reader • 225 pages

January 1, 1979 • Physical Book • 1 Reader • 329 pages • 3

March 7, 1977 • Physical Book • 1 Reader • 251 pages • Format Paperback • 3.8

January 1, 1980 • Physical Book • 1 Reader • 602 pages • Format Paperback

January 1, 1969 • Physical Book • 1 Reader • 186 pages • 4.1

January 1, 1986 • Physical Book • 1 Reader • 69 pages • Info Reprint • 2

January 1, 1977 • Physical Book • 1 Reader • 239 pages

January 1, 1962 • Physical Book • 1 Reader • 208 pages

January 1, 1975 • Physical Book • 161 pages • 4.3

January 1, 1963 • Physical Book • 224 pages • 3.6

January 1, 1977 • Physical Book • 224 pages • 3.7

January 1, 1960 • Physical Book • 192 pages • 3.6

October 1, 1962 • Physical Book • 463 pages • 4

January 1, 1979 • Physical Book • 463 pages • 4

January 1, 1970 • Physical Book • 208 pages • 4

January 1, 1983 • Physical Book • 111 pages

January 1, 1960 • Physical Book • 224 pages • 4.2

January 1, 1967 • Physical Book • 605 pages • 3.8

January 1, 1965 • Physical Book • 656 pages • Format Hardcover • 3.8

January 1, 1981 • Physical Book • 250 pages • Info First Edition

January 1, 1971 • Physical Book • 158 pages

January 1, 1988 • Physical Book • 115 pages • 3.4

January 1, 1979 • Physical Book • 153 pages • 3.6

January 1, 1982 • Physical Book • 196 pages • Info Candlelight Ecstasy #80

January 1, 1979 • Physical Book • 263 pages • 3

January 1, 1957 • Physical Book • 511 pages • Info Reissue

January 1, 1959 • Physical Book • 863 pages • 3.8

January 1, 1980 • Physical Book • 292 pages

Physical Book • 186 pages • 4.1

January 1, 1971 • Physical Book • 317 pages • 3.3

January 1, 1978 • Physical Book • 156 pages • 3.6

Physical Book • 186 pages • 4.1

January 1, 1977 • Physical Book • 215 pages • 4.1

January 1, 1969 • Physical Book • 186 pages • 4.1

January 1, 1969 • Physical Book • 186 pages • 4.1

January 1, 1969 • Physical Book • 186 pages • 4.1

January 1, 1970 • Physical Book • 186 pages • 4.1

January 1, 1955 • Physical Book • 512 pages • 4.1

January 1, 1968 • Physical Book • 138 pages • 3.7

October 1, 1967 • Physical Book • 224 pages • 3.7

January 1, 1959 • Physical Book • 863 pages • 3.8

January 1, 1973 • Physical Book • 211 pages • 3.9

January 1, 1961 • Physical Book • 381 pages • 3.8

January 1, 1971 • Physical Book • 255 pages • 3.9

January 1, 1964 • Physical Book • 255 pages • 3.9

January 1, 1977 • Physical Book

January 1, 1977 • Physical Book • 176 pages

January 1, 1966 • Physical Book • 190 pages • 3.9

January 1, 1983 • Physical Book • 500 pages • Info First Edition

February 1, 1962 • Physical Book • 224 pages • 3.7

January 1, 1971 • Physical Book • 223 pages • 4.2

January 1, 1985 • Physical Book • 416 pages • 3.9

January 1, 1975 • Physical Book • 384 pages • 3.4

January 1, 1959 • Physical Book • 191 pages • 4

January 1, 1972 • Physical Book • 191 pages • 4.1

January 1, 1964 • Physical Book • 231 pages • 4.1

January 1, 1970 • Physical Book • 319 pages • 4

January 1, 1970 • Physical Book • 319 pages • 4

January 1, 1961 • Physical Book • 319 pages • 4

January 1, 1979 • Physical Book • 246 pages • Format Unknown Binding • 3.7

June 1, 1890 • Physical Book • 228 pages • 4.1

January 1, 1962 • Physical Book • 191 pages • 3.3

January 1, 1964 • Physical Book • 4.2

January 1, 1965 • Physical Book • 256 pages

January 1, 1981 • Physical Book • 192 pages • 3.9

January 1, 1976 • Physical Book • 255 pages • 3.7

January 1, 1959 • Physical Book • 159 pages • 3

January 1, 1970 • Physical Book • 223 pages • 3.7

November 1, 1970 • Physical Book • 223 pages • 3.7

January 1, 1978 • Physical Book • 224 pages • 3.8

January 1, 1958 • Physical Book • 224 pages • 4

January 1, 1970 • Physical Book • 320 pages • 4.2