Periwinkle's inspection of the spellbook reveals that the front cover is warded by a potentially dangerous abjuration.  Periwinkle's first attempt failed to open the lock.<br/><div class="spoiler_container"><div class="spoiler_header" onclick="hideSecond (this);" role="button">spellcraft dc 18</div><div class="spoiler_body">explosive runes</div></div><br/><div class="spoiler_container"><div class="spoiler_header" onclick="hideSecond (this);" role="button">2nd disable attempt</div><div class="spoiler_body">the runes explode without being read and deal 21 force damage to Periwinkle, no save, and the same to anyone standing in 10ft with a dc 14 reflex for half.<br/>The book is also damaged, the front cover and spine are nearly gone but the pages inside are still intact enough to use.</div></div><br/><br/>The lock is warded as well, but only to make the lock more difficult to open.<br/><div class="spoiler_container"><div class="spoiler_header" onclick="hideSecond (this);" role="button">spellcraft dc 17</div><div class="spoiler_body">arcane lock, +10 open lock dc</div></div>