The models in the book are all yoga students of Lacerda.

It reported Lacerda as saying that he had catalogued 8.4 million yoga poses mentioned in Hatha Yoga Pradipika, and that they had been revealed to him in a dream.

The article noted that Dharma Mittra's 1984 chart of 908 Asanas had, until Lacerda's book, been the measure of all the yoga poses that existed.

[1] The Washington Post calls it a "glossy, handsome coffee-table book", and so large as to be "either inspiring or totally daunting".

[2] 2,100 Asanas appeared in the health and fitness bestseller lists of the Toronto Star, the American Booksellers Association, and The New York Times, all in December 2015.