Included are the following paperback books by Andre Norton
Trey of Swords - Second Ace Printing, November 1978 - ISBN 0441823564
Ice Crown - 1970 - ISBN 0441358438
Year of the Unicorn - Fifth Ace Printing, March 1979 - ISBN 0441942547
Ordeal In Otherwhere - Fourth Printing, February 1985 -ISBN 0441638198
No Night Without Stars - 1975 - ISBN 0449232646
Sorceress of the Witch World - November 1978 - ISBN 044177556X
Three Against the Witch World - 1965 - ISBN 0441808069