- 'book' => $book,
- 'current' => $book,
- 'bookChildren' => $bookChildren,
- 'activity' => Activity::entityActivity($book, 20, 1)
+ 'book' => $book,
+ 'current' => $book,
+ 'bookChildren' => $bookChildren,
+ 'bookParentShelves' => $bookParentShelves,
+ 'activity' => Activity::entityActivity($book, 20, 1),