# Custom Third party Library Prep

- [FAQ](/library-preparation/custom-third-party-library-prep/library-preparation-custom-third-party-library-prep-faq-list.md)
- [Are the NextSeq 1000/2000 Standard SBS Read & Index Primer kits compatible XLEAP SBS Reagents?](/library-preparation/custom-third-party-library-prep/library-preparation-custom-third-party-library-prep-faq-list/000008920.md)
- [How do stagger sequences or heterogeneity spacers introduce diversity?](/library-preparation/custom-third-party-library-prep/library-preparation-custom-third-party-library-prep-faq-list/000005581.md)