New York: Grosset & Dunlap, (c 1948.). Hardcover - "The pen name of Betsy Allen conceals one of the most outstanding writers for girls of our day. In Connie Blair, typical teen-age American girl as far as looks go, but with a lively intelligence and a keen nose for solving mysteries, the author has created her most appealing character. Connie is a career girl, with a job in an advertising agency, but mysteries have a way of rising up to challenge her wherever she goes." Considered one of the best written of the girls' mystery series. 216 pp.

New York: Grosset & Dunlap, (ca1958, c 1951). Hardcover - "The pen name of Betsy Allen conceals one of the most outstanding writers for girls of our day. In Connie Blair, typical teen-age American girl as far as looks go, but with a lively intelligence and a keen nose for solving mysteries, the author has created her most appealing character. Connie is a career girl, with a job in an advertising agency, but mysteries have a way of rising up to challenge her wherever she goes." Frontispiece. Lists to #12 at beginning of book. 207 pp.

Cleveland: World Syndicate Publishing Co., (1930). Hardcover first edition - The second book featuring Roberta Langwell, Girl Sky Pilot "a new series of books about girl aviators and their marvelous accomplishments in the air. Roberta Langwell is a heroine of modern times. She wins a plane by means of her remarkable air feats, and keeps the reader tense with excitement from cover to cover. The series concentrates on the efforts of the girls and women who, like their male counterparts, have obtained wonderful results in the air." The series was later renamed The Airplane Girls. 248 pp. ISBN: B000EDURXI.

Cleveland, Ohio: Goldsmith Publishing, (c 1926). Hardcover - The first novel in this two book series, in which Gay Annersley, niece and adopted daughter of the Jennings, tells of how - after her uncle's bank failed - another uncle took her to Sunset Island in the West Indies, where the Pirate Morgan was reputed to have buried his treasure. 242 pp.

Chicago: M.A. Donohue & Company, (1927). Hardcover - The second novel telling of the adventures of Gay Annersley, niece and adopted daughter of the Jennings, on Sunset Island in the West Indies and at her boarding school. 247 pp.

Akron, Ohio: The Saafield Publishing Company, (c 1918.) dj. Hardcover - A college girls' story - Jane solves the mystery of a shy new student, a gifted violinist, as well as succeeding in school and basketball. Frontispiece. 308 pp.

Chicago: Reilly & Britton, (1911). Hardcover - The sixth book in this series written by Baum (the author of the Wizard of Oz books) under the pseudonym of Mrs Van Dyne - the blurb refers to these as "distinctly girls' books and yet stories that will appeal to brother as well- and to older folk." Glossy frontispiece. Bound in plain tan cloth binding with dark green lettering. 275 pp.

Chicago: Goldsmith Publishing, (1938.) dj. Hardcover - A mystery for older girls, A first or early printing. 250 pp.

New York: A. L. Burt, (ca 1919, c 1897). Hardcover - The first book in this series, which A. L. Burt describes as "A carefully selected series of books for girls, written by popular authors. These are charming stories for young girls, well told and full of interest. Their simplicity, tenderness, healthy, interesting motives, vigorous action, and character painting will please all girl readers." Frontispiece. Gift inscription dated Christmas, 1919. 318 pp.

Chicago: M. A. Donohue & Company, (1918.). Hardcover - Frontispiece. Lists 6 other Campfire girls books at the front of the book, but not this title. 157 pp. Also includes 4 Christmas stories "The Peace-Egg," "The Brownies," "The Land of Lost Toys" and "Three Christmas Trees" on pp from 121 to 212. 6 pp of publisher's advertisements at rear.

Boston: W. A. Wilde, 1904. Hardcover first edition - "From 1836-1838 a young woman finds a home with her grandfather in the Michigan frontier settlement of Woodstock, located North of Detroit. Illustrated by William F. Stecher with a glossy frontispiece with a tissue guard and four inserted plates. 336 pp plus 4 pp of publisher's ads for other books by Blanchard.

New York: Grosset & Dunlap, (1947). dj. Hardcover first edition - Plain frontispiece. In teal boards with blue and white cameo endpapers. . Lists to #16 on front flap. Rear flap lists 17 Judy Bolton titles, and the back cover of the dj lists 19 Nancy Drew titles. 254 pp.

New York: Grosset & Dunlap, (c. 1944). dj. Hardcover - Lists to #16 on the front flap, In light blue boards with blue and white endpapers. 214 pp.

New York: Grosset & Dunlap, (1946). dj. Hardcover first edition - Lists to #16 on the front flap, to Nancy Drew #23 on rear flap, and 6 Cherry Ames titles on back cover, In light blue boards with cameo on front cover blue and white cameo endpapers. Frontispiece. 214 pp.

New York: Grosset & Dunlap, (c. 1942). Hardcover - Plain frontispiece. In blue tweed boards with cameo on front cover, blue and white cameo endpapers. 220 pp.

New York: Grosset & Dunlap, (1941). dj. Hardcover - Plain frontispiece. In teal boards with plain endpapers. Lists to #14 on front flap,. 250 pp.

New York: Grosset & Dunlap, (1940) dj. Hardcover - Lists to itself at the front of the book and to #14 on front flap of dust jacket. Bound in lblue boards with black lettering, plain endpapers.. 239 pp.

New York: Grosset & Dunlap, (c. 1944). Hardcover - IFrontispiece. In blue tweed boards with cameo on front cover blue and white cameo endpapers. 254 pp.

New York: A. L. Burt / Blue Ribbon Books, (c. 1937). Hardcover - Lists to this title at the front of the book (list still includes World's Fair, which was later dropped from the series when Grosset and Dunlap took it over), Bound in light green with blue lettering, turquoise endpapers with 'house scene.' Glossy frontispiece. Thicker format. 251 pp.

New York: Grosset & Dunlap, (c. 1936). Hardcover - Lists to #8 inside the book, Beverly's wealthy friend, Roger Garrett, takes a group of friends and his aunt, Miss Ernwood, on a cruise around the world on his yacht. Bound in sky blue with light blue lettering, darker blue endpapers with Ôhouse scene.Õ Glossy frontispiece, thick format. 251 pp.

New York: Grosset & Dunlap, (ca 1943, c 1935). dj. Hardcover - Glossy frontispiece. In teal boards with blue and white scenic endpapers. Printed under wartime conditions notice. Lists to #12 on front flap. 254 pp.

New York: Grosset & Dunlap, (1945). Hardcover - Bound in dark red with navy blue lettering, turquoise endpapers with 'house scene.' Plain frontispiece. Thin format. 207 pp.

New York: Grosset & Dunlap, (1944). dj. Hardcover first edition - Plain frontispiece. In teal boards with blue and white scenic endpapers. Printed under wartime conditions notice. Lists to itself on front flap, rear flap has ad for Cherry Ames, Student Nurse and back cover lists Judy Bolton thru Mark on the Mirror. 213 pp.

New York: Grosset & Dunlap, (ca 1944, c 1938) dj. Hardcover - Lists to itself at the front of the book and to #14 on the front flap of the dust jacket . Blue and white illustrated endpapers.. Wartime conditions statement on title page. 243 pp.

New York: Grosset & Dunlap, (1940). Hardcover first edition - Lists to itself at the front of the book. Bound in light green with darker green lettering, sky blue endpapers with Ôhouse scene.Õ Glossy frontispiece. 251 pp. plus 5 pp publisher's ads.

New York: Grosset & Dunlap, (c. 1936). dj. Hardcover - Lists to #14 on the front flap and to #8 inside the book, Dana Girls on rear flap, Judy Bolton mysteries (thru Mark on Mirror) on back cover. Beverly's wealthy friend, Roger Garrett, takes a group of friends and his aunt, Miss Ernwood, on a cruise around the world on his yacht. Bound in kelly green with dark green lettering, turquoise endpapers with Ôhouse scene.Õ Glossy frontispiece.

Akron, Ohio: Saalfield Publishing Co., (c1936). Hardcover - The second book in this series of only 3 books by the author best known for the Beverly Gray series. In this book, Gale Howard and the orher Adventure Girls, members of the senior class of Marchton High, see an airplane crash and go to the pilot's assistance. Several weeks later, Gale rides with the young pilot Brent when he flies her father to Canada on business. On the return trip, Brent's plane crashes. While Brent goes for help, Gale disappears, a victim of amnesia. Frontispiece. 255 pp.

Akron, Ohio: Saalfield Publishing Co., (1936). Hardcover - The second book in this series of only 3 books by the author best known for the Beverly Gray series. In this book, Gale Howard and the orher Adventure Girls, members of the senior class of Marchton High, see an airplane crash and go to the pilot's assistance. Several weeks later, Gale rides with the young pilot Brent when he flies her father to Canada on business. On the return trip, Brent's plane crashes. While Brent goes for help, Gale disappears, a victim of amnesia. Frontispiece. 255 pp.