If we apply the same logic, every succeeding value of ARSI depends on its preceeding ARSI. Hence we can assume, ARSI[1] as 0, then to calculate ARSI[2] would use ARSI[1], for ARSI[3] use ARSI[2], for ARSI[4] use ARSI[3], so on and so forth.

‘Getting started in Technical Analysis’ by Jack Schwager -

This is a good book for novice traders as it helps one to get an understanding in technical analysis. This book will help one to chose trading systems, an entry and an exit point while trading and draw a plan for trading along with chart patterns and technical indicators. This is one of those kind of books that covers everything under one roof and can a be guide for new traders to become an experienced trader.