Reserve the paperback
Techcallsign is pre-launch (planned launch: spring 2027). Reserving is free and only counts your click; no payment details are asked for and nothing is charged today.
$19.99
Planned launch price. Planned launch: spring 2027. Reserving is free; no payment is taken today.
Reserve my copy — free now, $19.99 at launch
Pre-launch: reserving is free, no payment is taken today. No payment details are asked for.