text:  The very circumstance however that there is no such public course of instruction marked out and no prospective examination to be prepared for--that all is to be gained from that silent array of books which fill the long shelves of a legal library or from those chambers of the practitioner which to those who look at them from without seem as dark with mystery as they are with dust and smoke--this we repeat renders such a guide-book as that which Mr Warren has presented to the public almost indispensable