diff --git a/src/__phutil_library_map__.php b/src/__phutil_library_map__.php
index 2a5632ff39..1e59f85ef2 100644
--- a/src/__phutil_library_map__.php
+++ b/src/__phutil_library_map__.php
@@ -533,6 +533,7 @@ phutil_register_library_map(array(
     'DivinerLiveBook' => 'applications/diviner/storage/DivinerLiveBook.php',
     'DivinerLivePublisher' => 'applications/diviner/publisher/DivinerLivePublisher.php',
     'DivinerLiveSymbol' => 'applications/diviner/storage/DivinerLiveSymbol.php',
+    'DivinerPHIDTypeBook' => 'applications/diviner/phid/DivinerPHIDTypeBook.php',
     'DivinerPublishCache' => 'applications/diviner/cache/DivinerPublishCache.php',
     'DivinerPublisher' => 'applications/diviner/publisher/DivinerPublisher.php',
     'DivinerRemarkupRuleSymbol' => 'applications/diviner/markup/DivinerRemarkupRuleSymbol.php',
@@ -2536,6 +2537,7 @@ phutil_register_library_map(array(
       1 => 'PhabricatorPolicyInterface',
       2 => 'PhabricatorMarkupInterface',
     ),
+    'DivinerPHIDTypeBook' => 'PhabricatorPHIDType',
     'DivinerPublishCache' => 'DivinerDiskCache',
     'DivinerRemarkupRuleSymbol' => 'PhutilRemarkupRule',
     'DivinerStaticPublisher' => 'DivinerPublisher',
diff --git a/src/applications/diviner/phid/DivinerPHIDTypeBook.php b/src/applications/diviner/phid/DivinerPHIDTypeBook.php
new file mode 100644
index 0000000000..c36bb1249a
--- /dev/null
+++ b/src/applications/diviner/phid/DivinerPHIDTypeBook.php
@@ -0,0 +1,45 @@
+<?php
+
+final class DivinerPHIDTypeBook extends PhabricatorPHIDType {
+
+  const TYPECONST = 'BOOK';
+
+  public function getTypeConstant() {
+    return self::TYPECONST;
+  }
+
+  public function getTypeName() {
+    return pht('Book');
+  }
+
+  public function newObject() {
+    return new DivinerLiveBook();
+  }
+
+  public function loadObjects(
+    PhabricatorObjectQuery $query,
+    array $phids) {
+
+    return id(new DivinerBookQuery())
+      ->setViewer($query->getViewer())
+      ->withPHIDs($phids)
+      ->execute();
+  }
+
+  public function loadHandles(
+    PhabricatorHandleQuery $query,
+    array $handles,
+    array $objects) {
+
+    foreach ($handles as $phid => $handle) {
+      $book = $objects[$phid];
+
+      $name = $book->getName();
+
+      $handle->setName($book->getShortTitle());
+      $handle->setFullName($book->getTitle());
+      $handle->setURI("/diviner/book/{$name}/");
+    }
+  }
+
+}
diff --git a/src/applications/diviner/storage/DivinerLiveBook.php b/src/applications/diviner/storage/DivinerLiveBook.php
index 844dcd6a65..cdf8f10637 100644
--- a/src/applications/diviner/storage/DivinerLiveBook.php
+++ b/src/applications/diviner/storage/DivinerLiveBook.php
@@ -28,7 +28,7 @@ final class DivinerLiveBook extends DivinerDAO
 
   public function generatePHID() {
     return PhabricatorPHID::generateNewPHID(
-      PhabricatorPHIDConstants::PHID_TYPE_BOOK);
+      DivinerPHIDTypeBook::TYPECONST);
   }
 
   public function getTitle() {
diff --git a/src/applications/phid/PhabricatorPHIDConstants.php b/src/applications/phid/PhabricatorPHIDConstants.php
index dbb06caf2f..65588087b0 100644
--- a/src/applications/phid/PhabricatorPHIDConstants.php
+++ b/src/applications/phid/PhabricatorPHIDConstants.php
@@ -22,7 +22,6 @@ final class PhabricatorPHIDConstants {
 
   const PHID_TYPE_XCMT    = 'XCMT';
 
-  const PHID_TYPE_BOOK    = 'BOOK';
   const PHID_TYPE_ATOM    = 'ATOM';
   const PHID_TYPE_AUTH    = 'AUTH';
   const PHID_TYPE_XOBJ    = 'XOBJ';