Learning ladder. [electronic resource].
London : Dorling Kindersley,
[1999]
Title from opening screen.
Accompanied in jewel case by sampler disc.
Jewel case issued in card box.
Minimum system requirements: IBM compatible PC; Pentium 120MHz processor; 32MB RAM for Windows 9x. or later; 48MB RAM for Windows NT/2000; Windows 95 or later; 20MB of free hard disk space.
Minimum system requirements: Macintosh; PowerPC 120 MHz plus; 32MB RAM; System 7.5.3 or later; 20MB of free hard disk space.
Reading (Elementary)
English language
Mathematics