Most of the traditions used in Ummi are based on this book. Its a good guide to have. In the authors words
“The information in this manual is based on the authentic and original sources of the teachings of the Prophet (s) and his Ahlul Bayt (as), on the topics of marriage, sexual etiquette and the proper steps in order to conceive and raise good Muslim children. The book has plenty more tips including akhlaqi tips and advice on how to instill love for Allah and the Ahlulbayt (as) in our children”.