The LONG-EZ plans I purchased in 1981 from RAF but have never used, consisted of
Section 1 - Main plans - 11"X17" 26 chapter manual, about 3/4 inch thick
Section 2 - Lycoming O-235 engine installation - 11"X17" about 3/16 inch thick
Full size drawings - 14 pages on 18"X24" paper
5 page air brake supplement 18"X24"
1 page Addendum for landing light installation
Long-EZ Owner's Manual
You will also need a complete set of the Canard Pusher Newsletters