New Delhi, Feb. 13 -- A new book compiling letters, essays and reflections by and about jailed student activist Umar Khalid offers a glimpse into his five years in prison as he faces trial under the Unlawful Activities (Prevention) Act (UAPA), foregrounding themes of hope, resistance and the costs of dissent. Titled "Umar Khalid and His World", the volume is edited by researcher and activist Anirban Bhattacharya, artist Shuddhabrata Sengupta, and writer and Umar's partner Banojyotsna Lahiri, who describes herself as his "soulmate" in the book. "This book bears Umar's name as an addressee, but in reality, it is for every person, young or old, who is behind bars, or in danger of being put behind bars, for daring to desire, dream and act towar...