It's rare that I encounter grammar so bad that I stop reading for that reason alone. However,&nbsp;<a data-hook="product-link-linked" class="a-link-normal" href="/IRREFUTABLE/dp/B0052GFSIG/ref=cm_cr_arp_d_rvw_txt?ie=UTF8">IRREFUTABLE</a>&nbsp;joined that small group. I agree with the review by "man ely". I'd add "by who" and spurious, commas, to, the list of gramatical mistakes. I found the mistakes a major block to enjoyable reading.