COSSACK GIRL Marina Yurlova Macaulay ($2.50).
Though Marina Yurlova now dances for her suppers on the concert stage she once did a more dangerous pas seul. Readers of Cossack Girl may find it easier to read than believe, but Publisher Macaulay insists Authoress Yurlova's hairbreadth narrative is "authenticated by documents.'' No less credible than Joan Lowell's notorious Cradle of the Deep, Cossack Girl is a thriller of the same order, but better written.
According to Authoress Yurlova's tale, she left her home in Raevskaya at 14 followed her father, a Colonel of...