diff --git a/roles/calibre/defaults/main.yml b/roles/calibre/defaults/main.yml
index a89171f8b..effe32dc4 100644
--- a/roles/calibre/defaults/main.yml
+++ b/roles/calibre/defaults/main.yml
@@ -19,6 +19,12 @@ calibre_sample_book: "Metamorphosis-jackson.epub"
 
 calibre_src_url: "https://raw.githubusercontent.com/kovidgoyal/calibre/master/setup/linux-installer.py"
 
+calibre_deb_url: http://download.iiab.io/packages
+# Must contain both packages for the pinned version, formatted as follows:
+# calibre_3.30.0+dfsg-1_all (25M, 2018-08-24)
+# calibre-bin_3.30.0+dfsg-1_armhf (742K, 2018-08-30)
+calibre_deb_pin_version: 3.30.0
+
 # USE TO TEST debs.yml (RASPBIAN APPROACH!) ON DEBIAN 9.X: (now handled by calibre_via_debs in /opt/iiab/iiab/vars/*)
 #calibre_debs_on_debian: True
 # Enable unstable .deb's, not just testing .deb's: (moved to /etc/iiab/local_vars.yml & /opt/iiab/iiab/vars/default_vars.yml)
diff --git a/roles/calibre/tasks/debs.yml b/roles/calibre/tasks/debs.yml
index 23504f511..612404a2a 100644
--- a/roles/calibre/tasks/debs.yml
+++ b/roles/calibre/tasks/debs.yml
@@ -27,16 +27,33 @@
 #  command: scripts/calibre-install-latest.sh       # NECESSARY since Calibre 3.24 (BEWARE installing libc6 will prevent boot in RPi Zero W, i.e. if calibre-install-packages.sh isn't run above!)
 #  when: is_rpi and internet_available
 
-- name: Upgrade to latest Calibre using .deb's from testing (rpi)
-  #command: scripts/calibre-install-latest-rpi-plus.sh    # WORKS for Calibre 3.27.1 on 2018-07-22 (#948 -> PR #950) THO NOT BOOTABLE IN Zero W (#952).  Similar to Calibre 3.24.x & 3.25 in June 2018, which had used calibre-install-packages.sh then Debian's own calibre-install-latest.sh
-  #command: scripts/calibre-install-latest-rpi.sh    # WORKS for Calibre 3.28 on 2018-07-26 (PR #971).  Likewise for Calibre 3.26.x
-  command: scripts/calibre-install-latest.sh    # REQUIRED for Calibre 3.29 on 2018-08-21 (PR #1015), as all above strategies failed (only script that was not attempted: Sid-like calibre-install-unstable.sh).  CLARIF: RESULTING microSD's ARE NOT BOOTABLE IN Zero W (#952)
+#- name: Upgrade to latest Calibre using .deb's from testing (rpi)
+#  #command: scripts/calibre-install-latest-rpi-plus.sh    # WORKS for Calibre 3.27.1 on 2018-07-22 (#948 -> PR #950) THO NOT BOOTABLE IN Zero W (#952).  Similar to Calibre 3.24.x & 3.25 in June 2018, which had used calibre-install-packages.sh then Debian's own calibre-install-latest.sh
+#  #command: scripts/calibre-install-latest-rpi.sh    # WORKS for Calibre 3.28 on 2018-07-26 (PR #971).  Likewise for Calibre 3.26.x
+#  command: scripts/calibre-install-latest.sh    # REQUIRED for Calibre 3.29 on 2018-08-21 (PR #1015), as all above strategies failed (only script that was not attempted: Sid-like calibre-install-unstable.sh).  CLARIF: RESULTING microSD's ARE NOT BOOTABLE IN Zero W (#952)
+#  when: is_rpi and internet_available
+
+- name: Download PINNED version {{ calibre_deb_pin_version }} of calibre & calibre-bin (rpi)
+  get_url:
+    url: "{{ calibre_deb_url }}/{{ item }}"
+    dest: "{{ downloads_dir }}/{{ item }}"
+    mode: 0644
+    #force: no
+    #backup: no
+    timeout: "{{ download_timeout }}"
+  with_items:
+    - calibre_{{ calibre_deb_pin_version }}+dfsg-1_all.deb
+    - calibre-bin_{{ calibre_deb_pin_version }}+dfsg-1_armhf.deb
   when: is_rpi and internet_available
 
-- name: Upgrade to Calibre testing .deb's - target Ubuntu 16.04 (not rpi and not ubuntu_18)
+- name: Install/Upgrade both, to PINNED version {{ calibre_deb_pin_version }} while using additional .deb's from testing (rpi)
+  command: scripts/calibre-install-pinned-rpi.sh    # RECOMMENDED for Calibre 3.30 on 2018-08-30, so IIAB microSD will be bootable in RPi Zero W
+  when: is_rpi and internet_available
+
+- name: Install/Upgrade to Calibre testing .deb's - target Ubuntu 16.04 (not rpi and not ubuntu_18)
   command: scripts/calibre-install-latest.sh
   when: not is_rpi and not is_ubuntu_18 and internet_available
 
-- name: Upgrade to Calibre unstable .deb's IF calibre_unstable_debs
+- name: Install/Upgrade to Calibre unstable .deb's IF calibre_unstable_debs
   command: scripts/calibre-install-unstable.sh
   when: calibre_unstable_debs and internet_available
diff --git a/roles/calibre/tasks/main.yml b/roles/calibre/tasks/main.yml
index ec8b8e62a..f2adfef0d 100644
--- a/roles/calibre/tasks/main.yml
+++ b/roles/calibre/tasks/main.yml
@@ -12,9 +12,9 @@
   with_items:
     - calibre
     - calibre-bin
-  when: internet_available and (not calib_executable.stat.exists)
+  when: internet_available and not is_rpi and (not calib_executable.stat.exists)
 
-- name: Install Calibre experimental .debs IF calibre_via_debs (AND /usr/bin/calibre WAS MISSING)
+- name: Install Calibre .debs IF calibre_via_debs (AND /usr/bin/calibre WAS MISSING)
   include_tasks: debs.yml
   when: calibre_via_debs and (not calib_executable.stat.exists)
 
diff --git a/scripts/calibre-install-pinned-rpi.sh b/scripts/calibre-install-pinned-rpi.sh
new file mode 100755
index 000000000..c0dc408a5
--- /dev/null
+++ b/scripts/calibre-install-pinned-rpi.sh
@@ -0,0 +1,18 @@
+#!/bin/bash
+
+# Thanks to Jerry Vonau (https://github.com/jvonau) who made this critical
+# breakthrough possible!
+#
+# Might break future updates; you have been warned.
+# SEE NOTES AT TOP OF scripts/calibre-install-packages.sh
+
+export DEBIAN_FRONTEND=noninteractive
+# Prepares to update to latest from raspbian testing
+echo "deb http://raspbian.raspberrypi.org/raspbian/ testing main" > /etc/apt/sources.list.d/rpi-testing.list
+apt update
+# @jvonau explains that stale .deb's should be avoided as: "apt will pick the highest version to install after churning a bit..."
+apt -y install /opt/iiab/downloads/calibre*.deb
+#sed -i '$ d' /etc/apt/sources.list.d/rpi-testing.list    # Removes last line
+rm /etc/apt/sources.list.d/rpi-testing.list
+# Clears the cache of rpi/testing
+apt update