abap, blitz3d, octave, nxt, gml, pascal, prolog, ml, chef, x++, inform, cfscript, cfml, racket, boo, jcl, siebel escript, idl, javafx, mvpl, m, verilog, jsl, nxc, limbo, mysql spl, rexx, rpg. The following languages did not see any units sold in 2011. Here is the list in alphabetical order: ada, awd, bondi, c/al, cachesql, cl, cs2, delphi, directx, dsl, e, egl, eiffel, go, haxe, maxscript, mumps, natural, ocaml, oopic, opl, pda languages, phrogram, pl/1, q, qba- sic, realbasic, s, spark, squeak, windows script, xquery. Part 5: Wrap-Up and Digital In this final section I will provide a summary of the first four segments, offer some insight into a view of top authors, and include data on electronic books and how parts of the digital world are surpassing the print world. Here is a quick summary of sections 1-4. In 2011 the book market, as a whole, saw about -9.25% fewer units sold than in 2010. The tech book market was up by 2% in 2011, so it out performed the whole market. Yet our data, which is based on the Top 3000 titles for each week, shows only 0.7% growth. This means that the majority of the growth was generated by the titles that produced very few copies and may not have made it into a weekly report for a given week in 2011. The market continued to follow its seasonal pattern, getting off to a fast