2. Expedition Atlas Passives
In the Atlas passive tree, locate the Expedition section and allocate points into the Detailed Records node. This gives:

30% increased quantity of Path of exile currency Logbooks dropped by Runic Monsters.

All Logbooks found have 3 implicit modifiers, which boost their reward potential.

3. Precursor Tablets
Expedition Precursor Tablets can be slotted into completed Towers in the endgame.

Look for modifiers such as “5-10% increased Quantity of Expedition Logbooks dropped”.

Stack these modifiers by POE currency for sale activating Precursor Tablets in overlapping Tower areas to triple the bonus effect.