Marion Doren

Marion Doren, who also writes under the name Marion Walker Doren, has written one horse book.  Her Borrowed Summer won a Christopher Award in 1987:  these are given for books which “affirm the highest values of the human spirit.”  The same book was also a nominee for a Mark Twain Award.  

Finding the books :  it is easy to find in the USA, but was not published in the UK.

Sources and links:

National Library of Congress

Christopher Awards

Bibliography - horse books only

A Pony in the Field

Scholastic Inc, New York 1991. PB.  152 pp.

Meg has always wanted a pony, and at last she gets one:  a Shetland.  He is, however, a lot more work than she
had believed possible.