http://joyfullygrowingingrace.wordpress.com/testimonies/sheep-wreckeds-story/
I have heard and seen some of the what the author details in her blog...there is good reason to be concerned.
Ultimately, spending time in HIS Word will result in a closer, more intimate walk/relationship, not the following of rules, regulations and rituals.
"It is not a law or a feast that shows my obedience, but that I am one with Him and seek to do His will for the praise of His Glory."
Rom 12:2 And be not conformed to this world: but be ye transformed by the renewing of your mind, that ye may prove what is that good, and acceptable, and perfect, will of God.