This is a great link to angulimala's back story as ahamsika and his attainment of nirvana in comic style story telling for kids. 

Amar Chitra is famous magazine or children story book in India for last several decades, they did a great job for picturising ancient stories for children, it is also useful for adults many times. 

https://www.tsemrinpoche.com/tsem-tulku-rinpoche/buddhas-dharma/angulimala-the-garland-of-fingers.html