70 Charger Registry member released book.https://www.amazon.com/dp/B0CNRQ4Z78?ref_=cm_sw_r_mwn_dp_JVHKYTAVY2T27PSRXZ5A&language=en_US&fbclid=IwAR2mpq-7cVrAHfOU2Tx-jiLa-gLFlweDVeo0x4nMImN4H5xivqFWGSzyhqk