Books behind the methodology

Three books. One end-result philosophy.

Tim Carlisle has spent 15+ years turning what works on the floor into a methodology you can teach. Two books are in print today; the third — on upselling and cross-selling — is in editing and launches in Q3 2026.

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The library

Mindset, leadership and — coming next — commercial expansion.

Every program participant receives a complimentary copy of the books that anchor their tier. Each title can also stand on its own as a working guide for sales leaders, managers and high-performing individual contributors.

The Inner Game of Performance by Tim Carlisle — book cover
Book 1 · Latest release

The Inner Game of Performance

A deep look at how mindset is the foundation of how you lead, perform and grow. The newest title — and the entry point to the full Ascent methodology.

  • Mindset-first framework for sustainable performance
  • Used across all three tiers of every Ascent program
  • Practical exercises for individual contributors and leaders
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PERFORM Leadership by Tim Carlisle — book cover
Book 2 · Leadership

PERFORM Leadership

Turns internal mastery into external impact — the essential elements every leader needs to coach, build and sustain high-performing commercial teams.

  • Companion to The Inner Game of Performance
  • Anchors the Leadership and Customer-Service tracks
  • Field-tested across 75+ countries of delivery
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Coming Soon · Q3 2026 Tim's third book A new title on upselling & cross-selling — currently in editing. Launching Q3 2026
Book 3 · Coming soon

Upselling & Cross-Selling (working title)

The third title in Tim's series turns the methodology toward commercial expansion: how the strongest teams grow accounts without breaking trust. Currently in editing, targeting a Q3 2026 launch.

  • Focused on upsell & cross-sell motions
  • Pairs with the Account Management & CX programs
  • Want to be notified at launch? Drop us a line.
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How the books power the programs

Every participant leaves with the book and the workbook.

The books aren't a bonus — they are the spine of the methodology. Every workshop, 1:1 coaching engagement and academy program builds on the relevant title, and every participant receives a complimentary copy as part of their tier materials.

  • The Inner Game of Performance anchors the sales and individual-contributor tracks
  • PERFORM Leadership anchors the leadership and customer-service tracks
  • The forthcoming third title will support upsell, cross-sell and account-growth programs
  • Bulk copies available for company-wide rollouts
Explore Programs Meet the author
Tim Carlisle's published books, side by side
Reading is the start. Working with Tim is the lift.

Bring the methodology into your team.

If a book has resonated and you want to translate it into a measurable lift for your team, the next step is a 30-minute consultation. No obligation; we reply within one business day.

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