# Setting book intelligence requirements
(item_set_slot, "itm_book_tactics", slot_item_intelligence_requirement, 9),
(item_set_slot, "itm_book_persuasion", slot_item_intelligence_requirement,

,
(item_set_slot, "itm_book_leadership", slot_item_intelligence_requirement, 7),
(item_set_slot, "itm_book_intelligence", slot_item_intelligence_requirement, 10),
(item_set_slot, "itm_book_trade", slot_item_intelligence_requirement, 11),
(item_set_slot, "itm_book_weapon_mastery", slot_item_intelligence_requirement, 9),
(item_set_slot, "itm_book_engineering", slot_item_intelligence_requirement, 12),
(item_set_slot, "itm_book_wound_treatment_reference", slot_item_intelligence_requirement, 10),
(item_set_slot, "itm_book_training_reference", slot_item_intelligence_requirement, 10),
(item_set_slot, "itm_book_surgery_reference", slot_item_intelligence_requirement, 10),
# Initializing book reading progresses
(item_set_slot, "itm_book_tactics", slot_item_book_reading_progress, 0),
(item_set_slot, "itm_book_persuasion", slot_item_book_reading_progress, 0),
(item_set_slot, "itm_book_leadership", slot_item_book_reading_progress, 0),
(item_set_slot, "itm_book_intelligence", slot_item_book_reading_progress, 0),
(item_set_slot, "itm_book_trade", slot_item_book_reading_progress, 0),
(item_set_slot, "itm_book_weapon_mastery", slot_item_book_reading_progress, 0),
(item_set_slot, "itm_book_engineering", slot_item_book_reading_progress, 0),
# Initializing book reading state
(item_set_slot, "itm_book_tactics", slot_item_book_read, 0),
(item_set_slot, "itm_book_persuasion", slot_item_book_read, 0),
(item_set_slot, "itm_book_leadership", slot_item_book_read, 0),
(item_set_slot, "itm_book_intelligence", slot_item_book_read, 0),
(item_set_slot, "itm_book_trade", slot_item_book_read, 0),
(item_set_slot, "itm_book_weapon_mastery", slot_item_book_read, 0),
(item_set_slot, "itm_book_engineering", slot_item_book_read, 0),