Belles on Their Toes by Frank B. Gilbreth, Jr. and Ernestine Gilbreth Carey (1950 Hardcover without Dust Jacket)
•	Author: 		 Frank Bunker Gilbreth, Jr. (1911-2001) •	Author: 		 Ernestine Gilbreth Carey (1908-2006) •	Illustrator: 		 Donald McKay •	Book Design: 	 Maurice Serle Kaplan •	Publisher: 	 Thomas Y. Crowell New York, NY U.S.A. 1950
This is the sequel to the Gilbreth's (brother and sister) first novel together, Cheaper by the Dozen (1948), which covered the period before their father, Frank Gilbreth, Sr. died. That story was adapted as a film released in 1950 starring Myrna Loy as the mother and Clifton Webb as the father.
Belles on Their Toes (1950) was written about the Gilbreth family after Frank B. Gilbreth, Sr.'s death, and how they survived as their mother, Lillian Moller Gilbreth, continued her pioneering work in industrial engineering, time & motion studies, and industrial & organizational psychology while operating the company, Gilbreth Incorporated, she had founded with her husband. She became the breadwinner, filled the place of two parents, guided her children individually through the growing pains of adolescence, and kept her family of 11 children, the eldest 18, working together. This story was also made into a film released in 1952. xii + 237pp.
Authors Frank Bunker Gilbreth, Jr. (1911-2001) and Ernestine Gilbreth Carey (1908-2006) were siblings in the 12 children of Frank B. (1868-1924) and Lillian (Moller) Gilbreth (1878-1972), early scientific management experts and early 20th-century pioneers of time and motion study and what would now be called organizational behavior. Only one of the twelve children did not live to adulthood.
The illustrator, Donald McKay, also illustrated Cheaper by the Dozen.
Hardcover has orange cloth boards with black lettering & designs on spine, but no DJ. Shelf wear on edges, square corners. Interior is tight, well-handled, and unmarked.
•	Size: 8vo – over 7¾ - 9¾” tall, 249pp. •	Condition: Good Plus Hardcover, no Dust Jacket – Always privately owned. No ownership markings.
Copyright 1950. No edition/print-run info found. Manufactured in the U.S.A. No ISBN, LCCN, nor MSR. 	
Notes on Condition/Edition ratings:
Fine – means like new, but any book produced over 10 years ago isn't “brand new” or even “new.” Using the same term as coin collectors, “can’t guarantee it is uncirculated, but it looks very much like it could be.” Booksellers need similar grading to describe this...
Like New – A new book, no marks no damage (except maybe remainder marks or shelf-wear) except not obtained directly from the publisher or in packaging from the publisher. Same sort of thing about grading as Fine above except generally used for newer publication dates for titles still in print.
Good – How someone else might take care of a book. Also referred to as “standard.” This is the most likely condition for books of this age & title, shows the book has been read or previously owned.
Acceptable – How a young child, student or a librarian might take care of a book. (Either trying to make sure someone doesn't steal it by plastering ownership everywhere, filled it with copious notes or a book that has been damaged.)
Poor – Combination of “acceptable” factors above. Most likely with water damage as well. Might have missing pages (you should ask). Usually requires repair to be usable.
Near – Means “almost” in an optimistic sense. e.g., “Near Fine” means very good, but on the high end.
1st Thus – Unique somehow, maybe 1st paperback, new illustrator, misprint or even the 1st edition. A collector might desire this copy for their collection.