BFB (Briggs & Forrester/Buffalo? — ambiguous) 17–28 appears to refer to a set of "source files" grouped by indices 17 through 28. Because the exact project or file collection named “BFB” isn’t universally standard, this article assumes a common interpretation: a numbered collection of source files (versions/modules 17–28) in a software project or data repository. Below is a concise, practical guide covering what such a set commonly contains, how it’s typically organized, how to inspect and use the files, and recommended workflows.

: Despite the removal, the community has maintained unofficial archives and mirrors.

The 17-28 level is the "sweet spot" because it overlaps with early intensive behavioral intervention (EIBI) start ages. Hence, the source files are in highest demand.

: BFB 23 was originally titled "Glitter For Your Face!" but was kept as "Fashion For Your Face!" after a misspelling by Cary Huang.