Transcribing a spell from a scroll to a spellbook uses up the scroll as if it had been cast. You can copy spells from another wizard's spellbook for a fee though, which isn't too steep.
http://www.d20pfsrd.com/Magic/...ell-into-a-Spellbook
It's 10gp for a 1st lvl spell and 40gp for a 2nd lvl spell.
The spells that Alendru has in his spellbook are:
0th lvl
All except for Illusion and Divination cantrips
1st lvl
Alarm
Mage Armor
Alter Winds
Crafter's Fortune
Erase
Feather Fall
Jury-Rig
Enlarge Person
2nd lvl
Aboleth's Lung
Darkvision
Fox's Cunning
Levitate
Telekinetic Volley
Edited: I'll also update the Journal thread with this list if you'd like to peruse it later, it will be Maps section under the Unfurling Scroll's entry.
This message was last edited by the GM at 18:13, Mon 01 July 2019.