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.

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, (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, (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: Cupples & Leon Company, (1920). Hardcover first edition - The fourth and last book in this series set during the Great War, the story of two American girls - Joan Mason, an enthusiastic motor girl, and Valerie Warde, a society debutante - who volunteered to serve in the Motor Corps (a fifth book is announced at the end of this volume, but was never published). In this book, the girls go to Paris to celebrate the end of the war. Glossy frontispiece. 212 pp.

New York: A. L. Burt, (1923). Hardcover first edition - "Stories of Adventure, Fun, Study and Personalities of Girls attending Greycliff School." Glossy frontispiece. Lists the first five books in the series at the front of the book (all issued in 1923. 256 pp. A rather uncommon series.

New York: A. L. Burt, (1931). Hardcover first edition - One of the last two titles in this series, one of the longest running series featuring Camp Fire girls. The first 10 books were originally written by Hildegarde Frey between 1916 - 1920 and the final two were both published in 1931 with Grove as the author. Glossy frontispiece. 254 pp.

New York: Grosset & Dunlap, (1941.) dj. Hardcover first edition - Illustrated by Russell H. Tandy with plain frontispiece. Printed on 'good quality' paper (later printings had the 'wartime paper'), in the uncommon original thick blue format. Page 215 has the draft title 'The Quest of the Telltale Map' which only appeared in the first three printings. Farah's (10 ed) 1941C-3. 215 pp.

New York: Grosset & Dunlap, (1938.) dj. Hardcover first edition - This series features sisters Jean and Louise Dana, who attend Starhurst Academy, and was written under the same Stratemeyer house pseudonym as that used for the Nancy Drew series - in fact, the names of the Dana Girls' guardians - Uncle Ned and Aunt Harriet - refer to Ed Stratemayer and his daughter Harriet. Dark green and white illustrated endpapers, green tinting to the top edge, glossy frontispiece by Frederick Warren. Lists to this title at the front of the book and on the front flap of the dust jacket and it lists to Nancy Drew The Haunted Bridge (1937) on the rear flap of the dj and in the front of the book. 218 pp.

New York: Dodd, Mead, 1943. dj. Hardcover first edition - A title in Dodd Mead's uncommon "Career Book" series, which are notable for being written by women who are active in the fields about which they write. This novel is set against the backdrop of World War II: When Carol has to postpone her wedding, because her fiance was sent on a secret mission for the Army, she takes a new job with New England Airlines in Maine. In addition to telling Carol's adventures, this describes the work that the airlines were doing in keeping our armies supplied with food, guns and ammunition. 279 pp.

New York: Cupples & Leon Company, (1917). Hardcover first edition - A title in the first girls' series - "one of the most popular series of books for girls ever published" - produced by the Stratemeyer Syndicate and using a house name as the author. "Dorothy Dale is the daughter of an old Civil War veteran who is running a weekly newspaper in a small Eastern town. When her father falls sick, the girl shows what she can to do to support the family." Glossy frontispiece, and three inserted glossy plates. Lists to self at front of book. 248 pp.plus 4 pp publisher's ads

Philadelphia: Penn Publishing Company, 1911. Hardcover first edition - The third book in this four book series - After a year abroad with her father, Ruth returns to Glenloch in Massachusetts where she will live with her uncle and aunt. One of the Social Six Girls has gone to California, but a new girl has come to town. Illustrated by Ada Clendenin Williamson with a frontispiece with tissue guard and six internal glossy plates. 367 pp. Final page notes that "At Camp" is "in press" - it was actually publised as "At Camp West."

Boston: Little Brown, 1922. Hardcover first edition - The uncommon second book in this three volume series - in this, Caroline leaves her home to attend college at the University of California in Berkeley. Illustrated with a glossy frontispiece and three glossy internal plates by M. L. Greer. 308 pp.

Garden City, NY: Doubleday, 1949. dj. Hardcover first edition - Seaman's hard-to-find last book, a mystery inspired by a navigator's octant, bearing the inscription 'Tower Hill, London, April 1778' which she found washed up on the beach after a storm. Illustrated with black and white drawings by Ursula Koering. 206 pp.

New York: The Century Co., 1921. Hardcover first edition - Story set on the lonely coast of New Jersey during the month of October, involving 2 girls who become friends as they try to solve the mystery of an unusual casket they found buried in the sand. Illustrated by C. M. Relyea with a frontispiece and 3 glossy plates. 253 pp. Bound in gray-green cloth with yellow lettering on the spine and front cover, and a silhouetted illustration of two girls and a dog on the front cover, a small dragon on the spine.

Garden City, NY: Doubleday, 1947. Hardcover first edition - Seaman's second to last book, set against the background of New York in the 1870's. In her brief author's note Seaman refers to legends found in old New York City histories which tell of an elderly gentleman who living in Greenwich Village who was rumored to be the Lost Dauphin. The model for the 'other house' in the story was The Old Merchant's House on East Fourth St. Red and cream illustrated endpapers, frontispiece. Author's note. 211 pp

New York: The Century Co., 1921. Hardcover first edition - Story set on the lonely coast of New Jersey during the month of October, involving 2 girls who become friends as they try to solve the mystery of an unusual casket they found buried in the sand. Illustrated by C. M. Relyea with a frontispiece and 3 glossy internal plates. 253 pp. Bound in gray-green cloth with yellow lettering on the spine and front cover, and a silhouetted illustration of two girls and a dog on the front cover, a small dragon on the spine.

Garden City, NY: Doubleday, Doran & Co., Inc., 1929. Hardcover first edition - Uncommon first edition of this title (it was later reissued several times under the title of the long first story, "River Acres Riddle." ). Illustrated by Kurt Wiese with a black and white frontispiece with touches of green, small vignettes at the beginning of each story. 224 pp

New York: The Century Co., (1927.). Hardcover first edition - Gift inscription dated January, 1928, so if not a first, a very early printing. The last of Seaman's mysteries to be published by Century. Mystery involving an antebellum mansion known as Pettigrew's Folly near the South Carolina coast - and a broken sundial, treasure buried to hide it from Sherman's raiders, and a hurricane. Illustrated with a glossy frontispiece and three inserted plates by Manning de Vere Lee (illustrator not identified on title page, but the plates are signed.) 224 pp.

New York: The Century Co., (1927.). Hardcover first edition - The last of Seaman's mysteries to be published by Century. Mystery involving an antebellum mansion known as Pettigrew's Folly near the South Carolina coast - and a broken sundial, treasure buried to hide it from Sherman's raiders, and a hurricane. Illustrated with a glossy frontispiece and three inserted plates by Manning de Vere Lee (illustrator not identified on title page, but the plates are signed.) 224 pp.

Chicago: Reilly & Lee, (1934) dj. Hardcover first edition - A rather uncommon Snell title - a story involving the magic that electricity can create, featuring the young detective Johnny Thompson. Lists to itself on the rear flap of the dust jacket and the Girls Mystery Books list through The Phantom Violin (also 1934). 247 pp.

New York: Grosset & Dunlap, (1931.) dj. Hardcover first edition - The Stratemeyer syndicate series written for the youngest readers - little girls between 4 and 8. Illustrated by Walter S. Rogers with a glossy frontispiece and 3 inserted plates. Bound in red cloth with a full color illustration pasted on the front cover. 187 pp, one page advertisement at end, referring reader to lists of series on the inside of the wrapper.