#BarnImagesInspiration is the regular series where we highlight five things we’ve found inspirational or useful. Enjoy the inspiring reads, download great freebies, and discover amazing services.

1. Growth Playbook – Build your marketing plan and grow your business quickly and efficiently with 500+ proven growth tactics.

2. Fantastic Cities: A Coloring Book of Amazing Places Real and Imagined – all-ages coloring book.

3. Paul Kuimet – Notes on Space – Estonian photographer documents the legacy of monumental public art in his home country.

4. Quitter for Mac – a handy Mac app that automatically hides or quits apps after periods of inactivity.

5. 6 Algorithms That Can Improve Your Life (Podcast) – ways that mathematical and scientific algorithms can actually help improve how we live.