listen, if you, known shampoo expert, have taken it upon yourself to write a book about shampoo across the nineteenth-century world, and then proceed to only investigate Known Shampoo Hotspots such as berkshire and egypt, and Shampoo Vendors of Mild Curiosity, florence, italy, in the regency of george iv and the long summer of 1877, i think i am allowed to get a bit annoyed about you branding yourself as Nineteenth-Century Worldwide Shampoo Expert who has written a book about nineteenth-century shampoos across the globe. just saying