Abridge
to abbreviate; to shrink; to cut
Compendium
a book that contains a complete collection of facts, drawings etc on a particular subject
Cursory
done very quickly without much attention to details
Curtail
to reduce or limit something
Syllabus
a plan that states exactly what students at a school or college should learn in a particular subject, curriculum
Synopsis
a short description of the main events or ideas in a book, film etc, summary
Terse
brief, concise, with a few words