Flexus:
Trumpet Calesthenics for the Modern Improvisor
by Laurie Frink & John McNeil

The first book to deal with the unique physical demands of improvising on the trumpet!
 

Preliminary studies (Flexibility · Basic flexibilities · Flexando · Advanced flexibilities · Interval studies · Études 1-3)
Articulation (Slurring/tonguing · Étude 4 · Developed scale · arpeggios/direction changes · Étude 5)
Pedal tones
Quick register changes (Consistent intervals · Spiders · Étude 6 · Chromatic displacement · Target practice · Octave displacement · Études 7-10)

Included with the book is a half-hour CD with the authors talking about and demonstrating exercises in the book.