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.

New York: Grosset & Dunlap, (1951). dj. Hardcover - Ken and Sandy are driving home after covering a dog show for the Brentwood Weekly Advance. At a bus stop restaurant they offer a hitch-hiker a lift - who later turns out to be wanted for a payroll robbery. 1950s edition with beige tweed boards with dark green lettering and small illustration, dark green scenic lightning endpapers. Lists to #6 in book and on front dust jacket flap. Dustjacket has wraparound illustration on spine. . Illustrated. 214 pp.

New York: Grosset & Dunlap, (c. 1950). Hardcover - Bound in beige tweed boards with dark green lettering and small illustration, dark green scenic endpapers. Illustrated. 216 pp.

New York: Grosset & Dunlap, (c. 1949). Hardcover - 1950s edition with beige tweed boards with dark green lettering and small illustration, dark green scenic endpapers. Illustrated. Lists to #13 at front of book. 213 pp.

New York: Grosset & Dunlap, (c. 1949). Hardcover - 1950s edition with dark green scenic endpapers. Illustrated. Lists to #7 at front of book. 213 pp.

New York: Grosset & Dunlap, (c 1949) dj. Hardcover first edition - The first book in this popular series featuring Ken Holt, son of a world-famous foreign correspondent, and his close friend, photographer Sandy Allen. Lists to #16 in the book and on the front dust jacket flap. . Frontispiece, dark green scenic endpapers 214 pp.

New York: Grosset & Dunlap, (1949) dj. Hardcover first edition - The first book in this popular series featuring Ken Holt, son of a world-famous foreign correspondent, and his close friend, photographer Sandy Allen. Lists just the first two titles in the book and on the front dust jacket flap (as was typical of series books, both titles were issued at the same time in 1949) Back cover of dj lists to Hardy Boys #28 and rear flap lists to #6 in the Rick Brant series. Frontispiece, dark green scenic endpapers 214 pp.

Racine, WI: Whitman, 1977. The format used for the most titles in the series - from #1-34. This is an early printing in this format, with the inside listing to #19, cover price of 95c. 236 pp. ISBN: 0-307-215253.

Racine, WI: Whitman Publishing Co., (1970.). Hardcover - Cover illustration by Larry Frederick. White endpapers, with green drawings of Trixie and Honey, now distinctly teenagers of the period (1970's.) Measures 7 3/4 by 5 1/8 inches. 234 pp

Racine, WI: Whitman, (1984.). While not as well known as Nancy Drew, this is many girls' favorite series: Trixie is a real girl, with chores, school to attend, a little brother to babysit - but lots of adventures! This is a reissue in a new fomat (the last one used for this series) which was introduced in 1984 and only used for 2 years, and so is much less common than the ones with the oval illustration. They had a different design on the cover (the 'square' format picture); the last 5 titles appeared only in this format, and not all of the earlier titles were issued like this. Cover by Jerry Harston. 236 pp. ISBN: 0-307-215407.

Racine, WI: Whitman, (1984.). While not as well known as Nancy Drew, this is many girls' favorite series: Trixie is a real girl, with chores, school to attend, a little brother to babysit - but lots of adventures! This is a reissue in a new fomat (the last one used for this series) which was introduced in 1984 and only used for 2 years, and so is much less common than the ones with the oval illustration. They had a different design on the cover (the 'square' format picture); the last 5 titles appeared only in this format, and not all of the earlier titles were issued like this. Cover by Jerry Harston. 236 pp. ISBN: 0-307-215407.

Racine, WI: Whitman Publishing Co., (1970.). Hardcover - Cover illustration by Larry Frederick. White endpapers, with green drawings of Trixie and Honey, now distinctly teenagers of the period (1970's.) Measures 7 3/4 by 5 1/8 inches. 234 pp

Racine, WI: Whitman, (c. 1977.). The format used for the most titles in the series - from #1-34. While not as well known as Nancy Drew, this is many girls' favorite series: Trixie is a real girl, with chores, school to attend, a little brother to babysit - but lots of adventures! 234 pp. ISBN: 0-307-215784.

Racine, WI: Whitman, 1984. While not as well known as Nancy Drew, this is many girls' favorite series: Trixie is a real girl, with chores, school to attend, a little brother to babysit - but lots of adventures! This is a reissue in a new fomat (the last one used for this series) which was introduced in 1984 and only used for 2 years, and so is much less common than the ones with the oval illustration. They had a different design on the cover (the 'square' format picture); the last 5 titles appeared only in this format, and not all of the earlier titles were issued like this. Cover by Jerry Harston. ISBN: 0-307-215253.

Racine, WI: Whitman, 1984. While not as well known as Nancy Drew, this is many girls' favorite series: Trixie is a real girl, with chores, school to attend, a little brother to babysit - but lots of adventures! This is a reissue in a new fomat (the last one used for this series) which was introduced in 1984 and only used for 2 years, and so is much less common than the ones with the oval illustration. They had a different design on the cover (the 'square' format picture); the last 5 titles appeared only in this format, and not all of the earlier titles were issued like this. Cover by Jerry Harston. ISBN: 0-307-215253.

Racine, WI: Whitman, 1984. While not as well known as Nancy Drew, this is many girls' favorite series: Trixie is a real girl, with chores, school to attend, a little brother to babysit - but lots of adventures! This is a reissue in a new fomat (the last one used for this series) which was introduced in 1984 and only used for 2 years, and so is much less common than the ones with the oval illustration. They had a different design on the cover (the 'square' format picture); the last 5 titles appeared only in this format, and not all of the earlier titles were issued like this. Cover by Jodi Lee. 234 pp. ISBN: 0-307-215261.

Racine, WI: Whitman, (c. 1977.). The format used for the most titles in the series - from #1-34. While not as well known as Nancy Drew, this is many girls' favorite series: Trixie is a real girl, with chores, school to attend, a little brother to babysit - but lots of adventures!. ISBN: 0-307-215784.

Racine, WI: Whitman, (1951.). Hardcover first edition - Third book in this series of mysteries featuring the 14 year old daughter of a newspaper publisher, and the last one issued in this format of cloth boards illustrated with a simple line drawing. Illustrated with full-page drawings by Margaret Jervis. Campbell is best known as the author of the original books in the Trixie Belden series, and she also wrote some of the early Cherry Ames and Vickie Barr stories under her married name of Julie Tatham. Advertisement at back of book lists 3 books in this series, 3 titles in the Trixie series, etc. 248 pp plus 2 pp of publisher's ads. Illustrated endpapers.

New York: Grosset & Dunlap, (ca 1955, c. 1952.). dj. Hardcover - 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. Dark green and white illustrated endpapers, light green topstain, frontispiece. Book lists thru #16, dust jacket flap to #17. 211 pp.

New York: Grosset & Dunlap, (1935.). Hardcover - 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. One of the first four books written by Leslie McFarlane. In the original lavender cloth binding in the thicker format. Dark green and white illustrated endpapers, dark blue topstain, frontispiece and three glossy internal plates by Ferdinand E. Warran. Book lists thru this title at front of the book, to #5 at the rear. 217 pp.

New York: Grosset & Dunlap, (ca 1955, c. 1935). dj. Hardcover - 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. One of the first four books written by Leslie McFarlane. Dark green and white illustrated endpapers, light green topstain, frontispiece. Book lists thru #17, dust jacket flap to #15. Original text with 25 chapters. 217 pp.

Cleveland, Ohio: World Publishing Co., (1933.) dj. Hardcover - The fourth book in this series, and the last title listed on the front flap of the dj. 120 pp.