Abel Carlevaro Microestudios Challenge

Having just completed the Carcassi Etude Challenge, I would like to suggest an Abel Carlevaro Challenge with his 20 Microestudios.  These are 20 contemporary microstudies, published by Chantelle, and range from easy to difficult and will challenge the guitarist in a variety of technical skills sets.  They are also very beautiful pieces and are great additions to the guitar repertoire.