Human-Centered Security: How to Design Systems That Are Both Safe and Usable

How to Play Cello in 14 Days: Daily Cello Lessons for Beginners—Includes Standard Music Notes + Cello TAB in All Sheet Music Examples (Play Music in 14 Days)

101 Worship Songs for Violin | Instrumental Songbook for Beginners and Students | Christian Violin Sheet Music Collection for Practice, Performance and Teaching Resource

50 Pop Songs for Kids - Violin | Sheet Music Book with Easy Pop and Movie Hits for Beginners and Students | Fun Violin Songbook for Practice and Performance | Instrumental Music Book for Players

Lindsey Stirling - Christmas Collection | Violin Play-Along Volume 81 with Online Audio | Christmas Sheet Music Songbook for Violin Players | Violin ... Leonard (Hal-Leonard Violin Play-along, 81)

The Ultimate Ukulele Fake Book: Over 400 Songs for Ukulele | Melody, Lyrics and Chords | Small Spiral-Bound Edition | Beginner and Advanced Players | Essential Ukulele Songbook Collection

Banjo Aerobics 50-Week Workout Program for Developing, Improving and Maintaining Banjo Technique | Exercise Book with Online Audio | Build Speed, Dexterity and Accuracy | Practice Resource for All

Ukulele Aerobics for All Levels Beginner to Advanced | 40-Week Practice Program with Online Audio | Hal Leonard Ukulele Book for Technique, Fingerstyle, Strumming and More

54 Classical Violin Solos By History's Greatest Composers: Bach, Beethoven, Handel, Brahms, Mozart, Paganini, Schubert, And More