snake_dice_book.xml

<items>
  <item>
    <key>snake_dice_book</key>
    <name>Snake Dice</name>
    <description>
      A wizard reveals his black gem recipe.
    </description>
    <type>LoreBook</type>
    <icon>itemreading2_1</icon>
    <sortKey>_lorebook20</sortKey>
    <weight>0.5</weight>
    <effects>
      <effects>ReadLoreBook -> Book:snake_dice_book;</effects>
    </effects>
    <priceDetails>
      <buy>320</buy>
      <sell>53</sell>
      <canTrade>true</canTrade>
    </priceDetails>
    <bookInfo>
      <bookText>snake_dice</bookText>
      <requirements>
        <requirements>
          <type>Skill</type>
          <params>
            <params type="any">Reading 6</params>
          </params>
        </requirements>
      </requirements>
      <rewards>
        <rewards>RewardExperience -> skill:reading, xp:100;</rewards>
        <rewards>RewardKnowledge -> type:mysticism, amount:2;</rewards>
        <rewards>RewardRecipeUnlock -> recipe:snake_dice;</rewards>
      </rewards>
    </bookInfo>
  </item>
</items>