Yoni has participated in this forum and given a lot of free advice here. While other prep courses have registered accounts they have almost always been advertising services only (and are quickly removed). Yoni was different.
It is worth searching this LSAT forum for his name and you will get a flavour of his style.
Powerscore LR (2016), LG (2016), RC (2016) Bibles
All 8 published LSAT Test Books (practice tests 7-81)
Make me an offer--will charge less if you buy many things at once.
I'm located in Toronto but will be in Ottawa in March if anyone wants to meet up.
I used the books for the Nov 2019 LSAT and the concepts are not out of date. Pages were lightly written on, but have since been erased. Happy to email any pictures, upon request.