These are the packages that would be merged, in order:

Calculating dependencies ... done!
Dependency resolution took 1.05 s (backtrack: 0/20).

[ebuild  N     ] dev-libs/libvformat-1.13-r3::gentoo  270 KiB
[ebuild  N     ] app-misc/abook-0.6.1-r4::gentoo  USE="nls" 313 KiB

Total: 2 packages (2 new), Size of downloads: 582 KiB