I healed my BPD in the 1990s. The walking on eggshells book (on Amazon) is the one I read back then (found it in a bookstore). Stop Walking on Eggshells Workbook (A New Harbinger Self-Help Workbook) https://www.amazon.com/dp/1572242760/ref=cm_sw_r_cp_api_glt_i_BSNPRTF8WQRPYQFNZ125