TY  - SER
AU  -  Bradley, Marion Zimmer, 
TI  -  The Door Through Space 
AV  - PS 
PY  - 2006///
PB  -  Project Gutenberg, 
KW  -  Science fiction
N1  -  Public domain in the USA;  Text
UR  -  http://www.gutenberg.org/ebooks/19726
ER  -