| Alle bekende ISBN nummers van Spring: 9059161092 1 Evert en The Baboons! (192004 : Studio 100 - Softcover) iavfdw 9059161335 2 De gouden gitaar (192005 : Studio 100 - Softcover) mc87hx 9059161440 3 Heibel in Muddy Creek (192005 : Studio 100 - Softcover) qdkzly 9059161661 4 Het Tromboli mysterie (192006 : Studio 100 - Softcover) uexrpz 9059162080 5 Hercule (192006 : Studio 100 - Softcover) ygaju0 9789059162327 6 De schat van kapitein Houtepoot (192007 : Studio 100 - Softcover) 2hnby1 | ||