Motorola M88K books & user manuals (looking for)

hi on DTB we are designing a RISC-ish CPU, code name "Arise-v2"(1). We are using the MIPS R2K and the RISC-V as the reference. In the end, it will be implemented in HDL -> FPGA. The page on DTB is related to a software emulator (written in C) for the whole system. CPU + RAM + ROM + UART, etc. so we can test and our ISA more comfortably. As a second reference, I'd like to consider the first Motorola RISC: 88K, which is very elegant and neat ISA; unfortunately, I have difficulties at finding user manuals and books about it. If someone wants to sell me a copy, it will be appreciated! Thanks and happy new year! p.s. other interesting contributes about RISC-V and architectures, are on this (2) EEVBlog's topic (1)http://www.downthebunker.xyz/wonderland/reloaded/bazaar/viewtopic.php?f=36&t=194&sid=5294ee174485ac7863eedd496108c996 (2)https://www.eevblog.com/forum/microcontrollers/risc-v-assembly-language-p…