Lacrosse for Beginners written by Winifred O. Legg, who taught Games, Gymnastics and Remedials at Berkhamsted Girls’ between 1913 and 1916.
Hattersley's are still manufacturing sporting equipment today; but sadly not at the 1924 prices.
Winifred was a student of Madame Bergman Osterburg, who founded a Physical Training College in Hampstead in 1885.