Skill books
Skill books reportedly grant one permanent level in an associated skill, contributing a level without spending skill points on that level.
Understand this choiceWasteland 2: Director's Cut lets players customize Desert Rangers, and its Steam description identifies Perks & Quirks and tactical Precision Strikes among the edition's features. This reference focuses on progression and equipment choices described in a Steam Community discussion: skill books, trinkets, weapons that add skill levels, and named perks and a quirk. The discussion reports effects involving action points, damage, cover accuracy, armor, and skill progression, with conditions such as armor type or attack position. It also distinguishes bonus skill levels from levels that unlock skill perks. These records explain what the cited discussion says; they do not provide a complete build guide or comparative ranking.

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Skill books reportedly grant one permanent level in an associated skill, contributing a level without spending skill points on that level.
Understand this choiceSome skill-specific trinkets reportedly add one to three levels, but these bonus levels do not unlock perks for that skill.
Understand this choiceEarly perks for dialogue skills reportedly provide two bonus levels, which can contribute to a combined skill-level bonus.
Understand this choiceSome weapons reportedly add one level to dialogue skills or Leadership, contributing a bonus beyond the skill points invested.
Understand this choiceTinkerer is associated with Weaponsmithing 2 and is reported to grant one additional action point while wearing light armor.
Understand this choiceTactical Positioning is reported to increase damage by 25% when attacking from behind; Perception 3 is named in connection with the perk.
Understand this choiceWhack-a-Mole reportedly reduces the penalty for hitting targets behind cover by 15%, and the effect works with weapons beyond submachine guns.
Understand this choiceAdrenaline Rush is discussed as granting two extra action points at a 25% health threshold, in a comment about a possible sniper use.
Understand this choiceCharge! is reported to add 0.5 Combat Speed during the first turn, an effect a participant connects with reaching a position early.
Understand this choiceHardened is identified as a broadly appealing perk and as one component in a community-described armor-class setup.
Understand this choiceReinforced Plating is named as one of the perks in a community-described combination intended to stack armor class.
Understand this choiceSelf Defense is included in an armor-class setup and is separately reported to add one armor with Bladed Weapons 3.
Understand this choiceThick Skinned is named as a quirk in a proposed combination with three perks to stack armor class.
Understand this choiceThe discussion describes perks that add armor penetration to attacks and names Samurai, Full Metal Jacket, and Bullet-Ridden as examples.
Understand this choiceSelected systems and editions described by the linked references.