"in the 20th century ... for Sri Aurobindo to write an epic remains to many people something of a mystery... where do people have time for 720 pages of poetry?"
Sri Aurobindo has taken up legend almost in its entirety without adding any upakhyanas, any sub-plots or stories to it, but he has made some significant alterations..."
On the title page of Savitri you will find description which calls it ‘A Legend and a Symbol’. The original story goes back to Mahabharata, where the Pandavas are spending a lot of time in the forest...
A series of 31 talks on Sri Aurobindo's Savitri presenting a comprehensive overview of the entire epic, now distributed also on YouTube as static videos