A companion for debtors and prisoners, and advice to creditors in ten letters : from a gentleman in prison, to a member of Parliament : wherein, first, the villianies [sic] and insolencies of bayliffs, secondly, the evil practices of jaylers and pretended solicitors, and thirdly, the irregularities of prisons in general, are briefly detected and exposed : together with a particular description of Newgate, the Marshallsea, the two compters, Ludgate, the Fleet, and Kings Bench, with reflections upon prisons in general, and proposals for regulating the whole.