Now a good five years in the making Alan Ng and Sarah Korpi, of the University of Wisconsin-Madison, have made openly available online a grammar that
guides a learner who has no previous German experience to gain the ability to accurately understand formal written German prose, aided only by a comprehensive dictionary.
Even for those who might not use the grammar in conjunction with the German coursework offered through UW-Madison, it may prove a helpful and accessible reference.
HT: Ben Blackwell