| The only way I can understand this, is that your book means that you can use notes from any of these scales in a given situation. There are always scale choices for a given chord sequence and to actually make a solo that fits and makes musical sense, you can use notes from all these scales.
Some scales will sound more dissonant than others however, but this can be used to your advantage in constructing a solo - tension and release. So you could go off in a fairly "weird" sounding direction by choosing notes from one "dissonant" scale and then come back to something that is more consonant with the chords being played and therefore release the tension crated by playing the first scale.
For example a "whole tone" scale will sound quite dissonant, but returning to a Dorian or Pentatonic will sound more "comfortable" to the listeners! | 
