1. New Directions in Fractional Differential Equations 2. On Riesz Derivative Problems 3. Some Proposals for a Renewal in the Field of Fractional Behaviour Studies 4. The Origin of the Generalized Memory: Analysis of the Balance Equations and Corrections to Newton's 3rd Law 5. Modeling COVID-19 Pandemic Outbreak Using Fractional-Order Systems 6. Damage and Fatigue Described by a Fractional Model 7. Wavelet Fractional Operators 8. Fractional Calculus Applied to Image Processing 9. Dynamics, Simulation and Parameter Estimation of a Fractional Incommensurate Model Predicting Covid-19 10. Fractional Calculus and Its Applications to Biology 11. Fractional Differential Equations and its Applications in Circuits Theory 12. Fractional Calculus: A Reliable Tool for Solving Real World Problems 13. Approximation of Mild Solutions of a Semilinear Fractional Differential Equation 14. Extended Fractional Calculus 15. Fractional Calculi on Time Scales