The most likely "detailed pieces" associated with this ID are:
It is widely available as a free EPUB (both with and without images).
1.
In academic and research circles, is part of the Digital Object Identifier (DOI) for several reports by the RAND Corporation.
2.
A recent academic collection (ISBN ending in ) published by Springer contains 49 detailed research papers on technical topics like: LSTM Networks for solar energy forecasting. Deep Learning for Parkinson's and Alzheimer's detection. Network Security and underwater communication. Which "7249" A Connecticut Yankee in King Arthur's Court, Part 8.
In the Project Gutenberg library, is the standard ID for this classic satirical novel. 7249 epub
3.