These stories make up a time capsule assembled by a skilled social historian, a rich gallery of plausible lives.
These stories coalesce as a time capsule, a complex tapestry of interwoven lives. 
mnli hypothesis: These stories coalesce as a time capsule, a complex tapestry of interwoven lives.  premise: These stories make up a time capsule assembled by a skilled social historian, a rich gallery of plausible lives.