Improve the user experience of the addon.

diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..51985ff
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,7 @@
+# Changes to SlippyCheeze's Read It Once
+
+## Version 2
+
+* Ensure that alerts are displayed every time a book is already read.
+* Use a much less significant dramatic, and better timed, sound for read books.
+* Allow overriding the addon by double-tap interact for a book.
diff --git a/SlippyCheezeReadItOnce.lua b/SlippyCheezeReadItOnce.lua
index 519e6bc..cecf3b5 100644
--- a/SlippyCheezeReadItOnce.lua
+++ b/SlippyCheezeReadItOnce.lua
@@ -3,6 +3,10 @@

 -- addon core object.
 local ADDON_NAME = "SlippyCheezeReadItOnce"
+local DISPLAY_NAME = "Read It Once"
+
+local DOUBLE_TAP_TIME = 750
+local previousBook = {id=nil, time=0}

 -- saved var: which books have been seen.
 local seen
@@ -60,8 +64,34 @@ end
 --
 -- The HaveSeenBook logic is my addition.
 local function OnShowBookOverride(eventCode, title, body, medium, showTitle, bookId)
-   if HaveSeenBookBefore(bookId, title, body) then
-      ZO_Alert(UI_ALERT_CATEGORY_ALERT, SOUNDS.BOOK_ACQUIRED, "You have already read \"<<1>>\"", title)
+   -- are we overriding our blocking?
+   local override = false
+   local now = GetGameTimeMilliseconds()
+   if previousBook.id == bookId then
+      if (now - previousBook.time) < DOUBLE_TAP_TIME then
+         override = true
+      end
+   else
+      previousBook.id = bookId
+   end
+   -- dmsg("override <<1>> now <<2>> prev.time <<3>> deltaT <<4>> prev.id <<5>> id <<6>>",
+   --      override, now, previousBook.time, now - previousBook.time, previousBook.id, id)
+   previousBook.time = now
+
+   if HaveSeenBookBefore(bookId, title, body) and not override then
+      PlaySound(SOUNDS.NEGATIVE_CLICK)
+
+      -- local msg = zo_strformat("<<1>>: You have already read \"<<2>>\"", DISPLAY_NAME, title)
+      local msg = zo_strformat("You have already read \"<<1>>\"", title)
+
+      -- ZO_AlertNoSuppression(UI_ALERT_CATEGORY_ALERT, nil, )
+
+      local params = CENTER_SCREEN_ANNOUNCE:CreateMessageParams(CSA_CATEGORY_SMALL_TEXT, nil)
+      params:SetText(msg)
+      params:SetCSAType(CENTER_SCREEN_ANNOUNCE_TYPE_LORE_BOOK_LEARNED)
+      params:SetLifespanMS(850)
+      CENTER_SCREEN_ANNOUNCE:AddMessageWithParams(params)
+
       EndInteraction(INTERACTION_BOOK)
       return
    end
diff --git a/SlippyCheezeReadItOnce.txt b/SlippyCheezeReadItOnce.txt
index 35bb5a3..d450db9 100644
--- a/SlippyCheezeReadItOnce.txt
+++ b/SlippyCheezeReadItOnce.txt
@@ -1,8 +1,8 @@
 ## Title: |c8794C5SlippyCheeze's|r Read It Once
 ## Description: Skips reading books, and shows an alert instead, when you open them for the second time.
 ## Author: |c8794C5SlippyCheeze|r
-## Version: 1
-## AddonVersions: 1
+## Version: 2
+## AddonVersions: 2
 ## APIVersion: 100023 100024
 ## SavedVariables: SlippyCheezeReadItOnceData