If you are looking for a great book to improve your lead guitars techniques, this could be interesting for you:
I’ve converted some of the exercises to GuitarPro Files:
001_smfld.gp
006_smfld.gp
007_smfld.gp
008_smfld.gp
014_smfld.gp
015_smfld.gp
025_smfld.gp
029_smfld.gp
030_smfld.gp
057_smfld.gp
Buy Speed Mechanics for Lead Guitar on Amazon