looks at the challenges, constraints and solutions necessary to maintain a healthy and accessible food supply in different communities. This ongoing series addresses a wide range of issues on food sustainability and security, with chapters  in this release covering the Significance of Short Food Supply Chains During Pandemic Times, Food Security Challenges and Opportunities in Indonesia Post COVID-19, Understanding the genetic diversity and association mapping of nutritional traits in graminaceous crops: Progress and prospects, and Traditional foods and food security: Actors, production, and the challenge of integration into markets before and after the pandemic.