Localized "No such book" 404 message for /random

However the title and the heading of the 404 page are not localized yet.

static/i18n/en.json

@@ -5,5 +5,6 @@
 	},
 	"name":"English",
 	"suggest-full-text-search": "containing '{{{SEARCH_TERMS}}}'..."
+	, "no-such-book": "No such book: {{BOOK_NAME}}"
 	, "url-not-found" : "The requested URL \"{{url}}\" was not found on this server."
 }

static/i18n/hy.json

@@ -5,5 +5,6 @@
 	},
 	"name":"Հայերեն",
 	"suggest-full-text-search": "որոնել '{{{SEARCH_TERMS}}}'..."
+	, "no-such-book": "Գիրքը բացակայում է՝ {{BOOK_NAME}}"
 	, "url-not-found" : "Սխալ հասցե՝ {{url}}"
 }

static/i18n/qqq.json

@@ -6,5 +6,6 @@
 	},
 	"name": "Current language to which the string is being translated to.",
 	"suggest-full-text-search": "Text appearing in the suggestion list that, when selected, runs a full text search instead of the title search"
+	, "no-such-book": "Error text when the requested book is not found in the library"
 	, "url-not-found" : "Error text about wrong URL for an HTTP 404 error"
 }