Antique Hardcover Ruth Fielding Series

15 of the 30 published Ruth Fielding series. The 30 were published from 1913 through 1934. The 15 available in this lot are from 1913 to 1924. Very good condition, no dust jackets. Some slants to some spines, only one or two loose pages. Some writing, just noting at beginning pages what books she had in her collection (my Great Gram). List of titles and dates in last picture, check marks indicate books available in this lot.