The volume consists of letters dated from the 'Valley of Achor' between August 1818 and December 1819, each signed with the pseudonym 'Ruhamah'. The author addresses correspondents identified by initials (Mr. K— G) or titles (Mrs. Wise), and the letters serve as both spiritual counsel and personal testimony. The opening letter thanks a friend for loaning books by 'the late venerable and spiritual Jenkins of Lewes', and immediately establishes a tone of shared experiential religion: the author claims to have felt every trial and mercy that Jenkins described. The letters are not systematic treatises but occasional writings, shaped by the author's circumstances and the needs of each recipient.

The Pseudonym and the Place

The author signs every letter 'Ruhamah', a Hebrew name meaning 'having obtained mercy' (Hosea 2:1). The place of writing, 'Valley of Achor', is a biblical reference to a valley of trouble (Joshua 7:26; Hosea 2:15), which the author treats as a literal location for his own affliction. In Letter I he mentions 'two years captivity' and speaks of 'bondage of body and circumstances', suggesting confinement. The place-name is not merely decorative; it frames the entire correspondence as a record of suffering and divine consolation. The author explicitly connects his physical location to spiritual experience: 'When the streams of creature comfort run dry, the fountain is most divinely prized.'

Doctrinal Emphasis on Christ's Offices

In Letter XXIX, the author expounds at length on Christ as 'Prophet, Priest, and King', grounding each office in a specific human need: 'As blind and ignorant, we need God-Man for our Instructor. As rebels against God, and slaves to Satan, we need him for our King, to subdue and conquer us. As bound over to judgment, and exposed to misery, we need him as our Priest, to intercede for us.' He then applies Isaiah 9:6 to these offices, identifying 'Counsellor' with the prophetic office, 'everlasting Father' with the priestly, and 'mighty God' and 'Prince of Peace' with the kingly. This structured doctrinal passage contrasts with the more personal, narrative style of earlier letters, showing the author's ability to shift between testimony and teaching.

The Reader as Spiritual Confidant

The letters are addressed to specific individuals, but the author writes with an awareness of a wider audience. In Letter I he states, 'I certainly could fill volumes on the subject of my daily experience... nor have I any objection to make this subject known to you, and to all those who are concerned for my best interest.' The correspondence thus functions as a semi-public testimony. The author frequently includes verses of his own composition, as in the closing of Letter I: 'Great God I would not ask to see, / What in futurity shall be...' These poems serve as devotional summaries. The letters also contain practical requests—'I hope you do me the favor of taking in my scrawl every fort’night'—grounding the spiritual content in a real, ongoing exchange.

Readers should note that the catalog subjects classify this work under 'Adventure & Picaresque Fiction', yet the excerpts contain no narrative adventure, fictional plot, or picaresque elements. The letters are explicitly religious correspondence, focused on personal experience and doctrine. The mismatch between catalog category and content suggests the work may have been misclassified. The letters reward attention to their occasional nature: each is shaped by a specific correspondent and a particular moment of trial, not by a predetermined outline.