Samantha gets the job of mail carrier on remote Smugglers Trail in Southern Arizona. Stopping to help an injured goat, she gets stuck in the mud and meets the doctor who may be a drug lord. Boarding with cat-loving Scylla, Samantha finds her job exciting, often fun, and usually dangerous.
From the 1976 Signet edition of Enchanted Twilight:
Kristin Michaels is a pseudonym for a highly successful author of women's fiction who sold her first story at the age of twenty-two. Since then she has published over 60 articles in magazines ranging from Ladies' Home Journal to those specializing in westerns and fantasy. In addition to these works, she has written over 25 books to date, several of which are award winners.
Kristin Michaels has traveled widely and has lived for some years in England and Germany. Her books have had backgrounds as varied as her travels; she has set her stories in such diverse locations as Prague, England, and Arizona. She now lives with her two children in Arizona, where she is actively involved in ecology and animal conservation.