Only a Ghost! by Irenæus the Deacon

This is Victorian satire at its most delicious. Baring-Gould trains his wit on the absurd spectacle of London's competing Christian factions in 1870, each convinced their particular brand of worship is the only true path to God. Through a series of sharp, funny observations, he exposes how easily religion becomes performance, how the furniture of faith displaces faith itself. The title's ironical challenge echoes through every page: when will Christians recognize that what they're chasing is merely a ghost of the real thing? Baring-Gould writes with the bemused affection of someone who loves the faithful but finds their sectarian squabbles faintly ridiculous. His target isn't piety but the pomp and ceremony that chokes it. This book speaks to anyone who's ever sat in a church and wondered if anyone there remembers what they're supposed to be doing. It endures because its observation remains devastating: we build elaborate systems of worship and then mistake the building for the sacred.